Historical clue formulations

• Ending with leuko- or oo- — 2022-10-09
• Suffix meaning "cell" — 2020-08-04
• Suffix meaning "cell" — 2018-07-17
• Suffix with spermato- — 2012-07-31
• Suffix with adipo- — 2010-07-02
• Cell suffix — 2008-11-30
• Biological suffix — 1998-12-20
• Cellular suffix — 1998-07-08
• Cell suffix — 1994-09-18