Historical clue formulations

• Prefix with valent — 2024-05-26
• Prefix with sexual — 2022-09-02
• Prefix meaning "both" — 2021-03-28
• Prefix whose last two letters are a prefix meaning the same thing — 2016-12-24
• Prefix with dexterity — 2016-11-01
• Prefix with dexterity — 2016-08-22
• Both: Prefix — 2016-01-24
• Prefix with dextrous — 2011-08-08
• Both: Prefix — 2010-08-16
• Both: Prefix — 2010-04-25
• Prefix with dextrous — 2009-12-14
• Prefix with dextrous — 2009-04-15
• Both: Prefix — 2008-02-17
• Both: Prefix — 2007-12-18
• Prefix with dextrous — 2006-05-08
• Flexible prefix — 2006-01-13
• Prefix with syllabic — 2004-07-30
• Both, at the start — 2003-08-29
• Prefix with sexual — 2002-10-31
• Prefix with sexual — 2001-05-05
• Prefix with polar — 2000-11-19
• Prefix with valence — 2000-06-18
• Prefix with dextrous — 1999-07-15
• Prefix with dexterity — 1998-12-01
• Prefix with lateral — 1998-04-30
• Prefix with polar — 1997-10-30
• Prefix with -vert — 1997-06-22
• Prefix with polar — 1996-11-03
• Prefix with polar — 1996-06-20
• Both: Prefix — 1996-03-26
• Two-way prefix — 1996-02-07
• Prefix for both — 1995-05-04
• Prefix with valence — 1994-08-12
• Both: Prefix — 1994-05-16