| 2026-05-07 | Prefix with label |
| 2026-04-01 | Environmentally friendly: Prefix |
| 2026-03-15 | "Foucault's Pendulum" author |
| 2026-01-28 | Sustainability prefix |
| 2026-01-12 | ___-anxiety (fear of harm to the environment caused by human activity) |
| 2025-12-11 | Sustainable start? |
| 2025-12-10 | Modern prefix with village |
| 2025-12-02 | Prefix with conscious |
| 2025-12-01 | Prefix with friendly |
| 2025-11-10 | ___-warrior |
| 2025-11-05 | ___-chic (sustainable fashion) |
| 2025-10-27 | "Green" prefix |
| 2025-10-19 | Prefix with sphere |
| 2025-05-30 | Prefix with car or hotel |
| 2025-05-07 | ___ mode (fuel efficiency option in some cars) |
| 2025-04-30 | Prefix with tourism |
| 2025-02-17 | ___-conscious |
| 2025-01-29 | Environmentally friendly prefix |
| 2025-01-26 | Modern prefix with anxiety |
| 2024-10-24 | Prefix with system |
| 2024-10-21 | "Green" prefix |
| 2024-09-24 | ___-warrior (certain activist) |
| 2024-09-04 | Prefix with efficiency |
| 2024-08-15 | "Green" |
| 2024-05-27 | Green prefix |
| 2024-05-07 | ___-friendly |
| 2024-05-04 | ___ mode, setting in many modern cars |
| 2024-04-23 | Prefix suggesting conservation |
| 2024-03-18 | Earth-friendly prefix |
| 2024-03-16 | Power-saving mode |
| 2024-02-18 | ___-conscious |
| 2024-02-01 | Lead-in to -cide |
| 2024-01-28 | Prefix with tourist or hotel |
| 2024-01-10 | Writer Umberto |
| 2024-01-08 | Prefix with conscious |
| 2024-01-04 | ___-warrior (environmentalist) |
| 2024-01-02 | ___-friendly |
| 2023-12-24 | Prefix with friendly |
| 2023-11-09 | Prefix with -cide |
| 2023-11-05 | Lead-in to sphere or system |
| 2023-09-19 | Prefix with system |
| 2023-08-20 | "Green" |
| 2023-08-17 | ___ Style gel |
| 2023-07-23 | Green beginning |
| 2023-07-16 | Prefix with tourism |
| 2023-06-20 | Green: Prefix |
| 2023-05-16 | Green: Prefix |
| 2023-04-15 | Lead-in to toxicology |
| 2023-03-29 | Intro to -logical |
| 2023-03-23 | "Green" starter |
| 2023-03-08 | Prefix for the green-minded |
| 2023-03-06 | Good prefix for Earth Day |
| 2023-01-30 | Prefix with system |
| 2023-01-29 | Green prefix |
| 2023-01-15 | Prefix with hotel |
| 2022-11-24 | ___-friendly |
| 2022-11-16 | Green: Prefix |
| 2022-11-11 | Environmentally friendly opening |
| 2022-11-10 | Prefix with hotel |
| 2022-10-25 | Green prefix |
| 2022-10-23 | ___ mode (fuel-saving feature in newer cars) |
| 2022-09-16 | Prefix with conscious |
| 2022-09-07 | Green prefix |
| 2022-08-30 | Lead-in to freak or friendly |
| 2022-08-17 | Prefix with friendly |
| 2022-08-03 | Prefix with conscious |
| 2022-04-30 | Energy-saving mode in some hybrid cars |
| 2022-04-18 | Green: Prefix |
| 2022-03-27 | Prefix with system |
| 2022-03-12 | Prefix with consciousness |
| 2022-02-01 | ___-warrior (environmental activist) |
| 2022-01-18 | Italian author Umberto |
| 2022-01-07 | Friendly introduction? |
| 2021-12-09 | Prefix with system |
| 2021-11-04 | Prefix with label |
| 2021-10-31 | Kind to Mother Nature |
| 2021-10-12 | Prefix with tourism |
| 2021-10-09 | Sustainability indicator |
| 2021-08-29 | Green prefix |
| 2021-08-15 | Environmental opening |
| 2021-03-25 | Prefix with conscious |
| 2021-03-18 | Prefix with tourist |
| 2021-03-12 | Brand of hairstyling gel |
| 2021-02-21 | Prefix with conscious |
| 2021-02-15 | "Green" prefix |
| 2021-02-14 | Prefix with friendly |
| 2021-01-03 | Prefix with warrior |
| 2020-12-30 | Green prefix |
| 2020-12-02 | Green: Prefix |
| 2020-11-03 | Umberto who wrote "Foucault's Pendulum" |
| 2020-10-01 | Green prefix |
| 2020-09-14 | Prefix often associated with green |
| 2020-09-09 | Prefix with friendly |
| 2020-09-06 | Logical start? |
| 2020-07-21 | Prefix with system |
| 2020-06-08 | ___-friendly (green) |
| 2020-05-30 | ___-conscious |
| 2020-04-25 | Prefix with friendly |
| 2020-04-15 | Novelist Umberto |
| 2020-04-08 | "Good for the earth" prefix |
| 2020-03-25 | Prefix with system |
| 2020-03-17 | Prefix with freak or warrior |
| 2020-02-13 | Prefix with tourism |
| 2020-02-08 | Prefix with system |
| 2020-02-04 | Prefix with freak or friendly |
| 2019-12-19 | Prefix with tourist |
| 2019-10-31 | Prefix with tourism |
| 2019-08-17 | Prefix with -logical |
| 2019-08-12 | Environmental prefix |
| 2019-08-10 | Prefix with car |
| 2019-08-03 | Prefix with tourism or politics |
| 2019-07-09 | Prefix with tourism |
| 2019-07-07 | Green: Prefix |
| 2019-06-05 | Prefix with conscious or catastrophe |
| 2019-05-27 | Prefix with friendly |
| 2019-04-28 | Prefix with toxicology |
| 2019-04-21 | Prefix with terrorism |
| 2019-04-15 | Green: Prefix |
| 2019-04-05 | Prefix with car or conscious |
| 2019-02-21 | Lead-in to -cide |
| 2019-02-07 | Writer Umberto ___ |
| 2019-01-21 | Prefix with friendly |
| 2019-01-17 | Green prefix |
| 2018-12-03 | Environment-related prefix |
| 2018-11-17 | "Baudolino" novelist |
| 2018-10-06 | Lead-in to tourism or terrorism |
| 2018-09-02 | "Foucault's Pendulum" author, 1988 |
| 2018-07-30 | ___-friendly (green) |
| 2018-05-23 | Prefix with warrior |
| 2018-05-06 | Prefix with warrior |
| 2018-05-03 | Start to terrorism or tourism |
| 2018-04-26 | Prefix with law or label |
| 2018-04-24 | Green: Prefix |
| 2018-02-28 | Modern prefix with warrior |
| 2018-02-09 | Pro-sustainability, in lingo |
| 2017-12-29 | ___-conscious |
| 2017-12-26 | ___-friendly |
| 2017-10-02 | Prefix with conscious or freak |
| 2017-09-03 | Prefix with system |
| 2017-08-21 | ___-friendly |
| 2017-08-08 | Green: Prefix |
| 2017-07-18 | Prefix with tourism |
| 2017-06-06 | ___-friendly |
| 2017-05-02 | Prefix with tourism |
| 2017-01-28 | Friendly introduction? |
| 2017-01-26 | "The Name of the Rose" author |
| 2017-01-25 | Prefix with freak or friendly |
| 2017-01-05 | Prefix with conscious |
| 2016-12-19 | Environmentalist's prefix |
| 2016-10-22 | Prefix with village |
| 2016-09-07 | Prefix with chic |
| 2016-07-13 | Author Umberto |
| 2016-07-07 | Prefix with aware or catastrophe |
| 2016-06-27 | Environmental prefix |
| 2016-06-05 | "The Name of the Rose" novelist |
| 2016-04-17 | Prefix meaning 118-Across |
| 2016-03-13 | Prefix with tourism |
| 2016-03-02 | ___-Drive, popular light-powered watch |
| 2016-02-15 | Earth-friendly prefix |
| 2016-01-24 | Prefix with terrorism or tourism |
| 2016-01-19 | Umberto ___, author of "The Name of the Rose" |
| 2016-01-16 | Prefix with design |
| 2015-12-24 | Prefix with system |
| 2015-07-27 | ___-friendly (green) |
| 2015-06-15 | Environmental prefix |
| 2015-06-14 | System starter? |
| 2015-04-05 | Prefix with system |
| 2015-03-25 | Modern prefix with design |
| 2015-02-04 | "The Prague Cemetery" author, 2010 |
| 2014-12-10 | Modern prefix with warrior |
| 2014-11-12 | Car starter? |
| 2014-10-16 | "The Island of the Day Before" novelist |
| 2014-10-11 | Green piece? |
| 2014-09-05 | Friendly start? |
| 2014-09-03 | "The Name of the Rose" author |
| 2014-07-14 | Prefix with friendly |
| 2014-06-29 | Green: Prefix |
| 2014-06-28 | Prefix with efficiency |
| 2014-06-06 | Green start? |
| 2014-05-05 | Earth-friendly prefix |
| 2014-04-21 | "Foucault's Pendulum" author Umberto |
| 2014-04-16 | Author Umberto |
| 2014-03-26 | "Foucault's Pendulum" author |
| 2014-02-09 | Author Umberto |
| 2014-02-02 | System prefix |
| 2013-11-07 | Author of "The Prague Cemetery" |
| 2013-10-19 | Prefix with tourism |
| 2013-06-21 | Prefix with sphere |
| 2013-03-30 | Prefix with car |
| 2013-03-19 | Earth Day prefix |
| 2013-02-13 | "The Name of the Rose" author |
| 2013-01-22 | Prefix with friendly |
| 2012-09-22 | Prefix with consumer |
| 2012-04-29 | Prefix with resort |
| 2012-04-25 | Green prefix |
| 2012-04-01 | Prefix with management |
| 2012-02-19 | Writer Umberto |
| 2012-02-05 | Environmental prefix |
| 2011-11-11 | Prefix with car |
| 2011-10-26 | Friendly introduction? |
| 2011-09-24 | Conscious beginning? |
| 2011-09-20 | Prefix with friendly |
| 2011-07-08 | Prefix with sensitive |
| 2011-06-02 | Prefix with warrior |
| 2011-05-24 | Environmental prefix |
| 2011-04-01 | Green: Prefix |
| 2011-03-17 | Green: Prefix |
| 2011-02-09 | Writer Umberto |
| 2011-02-01 | "Green" prefix |
| 2011-01-12 | Prefix with system |
| 2011-01-09 | Sphere or system starter |
| 2010-11-24 | Prefix with hazard |
| 2010-10-24 | Prefix with warrior |
| 2010-09-04 | Friendly intro? |
| 2010-08-16 | Environmental prefix |
| 2010-08-01 | Prefix with tour |
| 2010-07-29 | "Baudolino" novelist |
| 2010-07-11 | Author Umberto |
| 2010-06-23 | Prefix with -cide |
| 2010-06-21 | ___-friendly (green) |
| 2010-04-05 | Environmentalist's prefix |
| 2010-03-30 | Prefix with friendly |
| 2010-03-11 | Modern prefix with balance |
| 2009-08-24 | Umberto ___, author of "The Name of the Rose" |
| 2009-06-11 | Trendy prefix |
| 2009-05-03 | Friendly opening? |
| 2009-04-05 | Green: Prefix |
| 2009-03-31 | Prefix with tourism |
| 2009-03-09 | Prefix with tourism |
| 2009-01-27 | Prefix with system or sphere |
| 2009-01-21 | Author of "The Island of the Day Before" |
| 2009-01-18 | Prefix with warrior |
| 2008-10-26 | "Baudolino" author |
| 2008-10-08 | Prefix with tourist |
| 2008-10-01 | Prefix with tourism |
| 2008-09-21 | Prefix with freak |
| 2008-08-27 | System starter? |
| 2008-08-21 | Prefix with -cide |
| 2008-08-20 | Writer Umberto |
| 2008-07-05 | Prefix with tour |
| 2008-02-05 | Umberto who wrote "The Name of the Rose" |
| 2007-12-14 | "Baudolino" novelist |
| 2007-10-25 | Green: Prefix |
| 2007-10-21 | Modern prefix with village |
| 2007-09-12 | "Foucault's Pendulum" author |
| 2007-08-16 | Prefix with warrior |
| 2007-07-15 | Prefix with -cide |
| 2007-05-07 | "Foucault's Pendulum" author |
| 2007-03-26 | Modern prefix with tourism |
| 2007-02-25 | "Baudolino" novelist |
| 2007-02-22 | Prefix with -cide |
| 2007-01-03 | Green prefix |
| 2006-11-12 | "Foucault's Pendulum" author |
| 2006-11-08 | Green: Prefix |
| 2006-11-07 | Prefix with friendly |
| 2006-09-16 | Prefix with tourism |
| 2006-08-27 | Prefix with system |
| 2006-07-12 | Prefix with friendly |
| 2006-07-09 | Prefix with friendly |
| 2006-07-02 | Green: Prefix |
| 2006-04-30 | Prefix with friendly |
| 2006-04-23 | System start-up? |
| 2006-04-11 | Author Umberto |
| 2006-03-19 | Green: Prefix |
| 2006-03-12 | Prefix with system |
| 2006-02-12 | "Baudolino" author |
| 2005-11-16 | Prefix with friendly |
| 2005-07-22 | Friendly opener? |
| 2005-07-17 | "Baudolino" author |
| 2005-07-12 | System starter? |
| 2005-03-10 | Prefix with conscious |
| 2005-02-24 | Prefix with system |
| 2004-12-28 | Author Umberto |
| 2004-11-25 | Prefix with friendly |
| 2004-10-21 | Prefix with conscious |
| 2004-09-14 | "The Name of the Rose" writer |
| 2004-09-06 | Environmental prefix |
| 2004-08-22 | Prefix with tourism |
| 2004-04-11 | Green: Prefix |
| 2004-02-11 | ___-friendly |
| 2004-02-04 | Author Umberto |
| 2003-10-19 | "Foucault's Pendulum" author |
| 2003-07-27 | "The Island of the Day Before" writer |
| 2003-07-15 | Prefix with management |
| 2003-06-25 | "Foucault's Pendulum" author |
| 2003-06-13 | Prefix with tourism |
| 2003-05-06 | Environmental prefix |
| 2003-04-26 | System start-up? |
| 2003-03-25 | Novelist Umberto |
| 2003-02-23 | Prefix with logical |
| 2002-11-09 | "Baudolino" novelist, 2002 |
| 2002-10-27 | Prefix with catastrophe |
| 2002-09-30 | Environmentalist's prefix |
| 2002-09-25 | Author Umberto |
| 2002-08-17 | Prefix with sphere |
| 2002-07-09 | Prefix with system |
| 2002-04-14 | Prefix with sphere |
| 2002-01-23 | Prefix with terrorism |
| 2002-01-06 | "A Theory of Semiotics" author |
| 2001-07-29 | Prefix with terrorism |
| 2001-04-11 | "The Name of the Rose" author |
| 2001-01-28 | Prefix with friendly |
| 2000-07-30 | Prefix with -cide |
| 2000-07-23 | "Foucault's Pendulum" author |
| 2000-07-02 | Author of "Il nome della rosa" |
| 2000-06-25 | System starter |
| 2000-06-09 | Friendly introduction? |
| 2000-05-21 | Prefix with sphere |
| 2000-04-11 | Prefix with friendly |
| 2000-02-21 | Prefix with system or sphere |
| 1999-12-29 | Logical intro? |
| 1999-12-10 | System starter |
| 1999-11-17 | Environmental prefix |
| 1999-10-03 | Prefix with system |
| 1999-09-26 | System starter |
| 1999-08-03 | Author Umberto |
| 1999-07-18 | Prefix with friendly |
| 1999-07-10 | Prefix with climate |
| 1999-07-01 | "The Name of the Rose" writer |
| 1999-04-11 | Prefix with hazard |
| 1999-03-13 | Modern prefix with friendly |
| 1999-03-04 | Popular 90's essayist |
| 1999-02-28 | Prefix with terrorist |
| 1999-01-10 | Green |
| 1998-11-29 | Prefix with sphere |
| 1998-10-21 | Green's prefix |
| 1998-07-22 | Author Umberto |
| 1998-07-10 | Prefix with -cide |
| 1998-06-28 | Nonpolluting |
| 1998-06-21 | "Foucault's Pendulum" author |
| 1998-06-15 | Environmentalist's prefix |
| 1998-05-31 | Prefix with sphere or system |
| 1998-04-07 | Earth-friendly prefix |
| 1997-12-09 | Prefix with sphere or disaster |
| 1997-10-30 | Prefix with system |
| 1997-09-21 | "The Island of the Day Before" author |
| 1997-08-09 | Prefix with -cide |
| 1997-03-19 | "The Island of the Day Before" author |
| 1997-02-23 | Prefix with sphere |
| 1997-02-07 | "Green": Prefix |
| 1997-01-15 | "The Island of the Day Before" author |
| 1996-12-15 | Author of "The Island of the Day Before" |
| 1996-08-14 | Author Umberto |
| 1996-08-02 | William of Baskerville's creator |
| 1996-07-30 | Environmental prefix |
| 1996-01-31 | "The Island of the Day Before" novelist |
| 1995-12-25 | Author Umberto |
| 1995-10-26 | "The Name of the Rose" author |
| 1995-10-24 | Author Umberto |
| 1995-09-15 | Italian novelist |
| 1995-06-25 | "Apocalypse Postponed" essayist |
| 1995-06-04 | "Foucault's Pendulum" penman |
| 1995-05-12 | "Travels in Hyperreality" writer |
| 1995-04-23 | Prefix with system |
| 1995-03-17 | Environmentally minded |
| 1995-02-28 | "Foucault's Pendulum" author |
| 1995-02-02 | System start-up |
| 1995-01-14 | "Foucault's Pendulum" author |
| 1994-11-27 | Environmentally concerned |
| 1994-10-18 | Logical beginning |
| 1994-07-29 | Prefix with system or sphere |
| 1994-06-07 | Environmentally minded, for short |
| 1994-06-02 | Sphere opening |
| 1994-05-30 | Author Umberto |
| 1994-03-30 | Umberto of Italy |
| 1994-03-17 | "Foucault's Pendulum" novelist |
| 1994-02-26 | "Travels in Hyperreality" author |
| 1994-01-09 | "Foucault's Pendulum" author |