Answer: XIS
XIS is a crossword puzzle answer that we have spotted 27 times.
Referring Clues:
- Fraternity letters
 - Omicrons' predecessors
 - Letters from 12-Down
 - Greek letters
 - Sorority letters
 - Greek consonants
 - They precede omicrons
 - Nus' successors
 - First words of the title of Sue Grafton's as-yet-unwritten 24th Kinsey Millhone mystery
 - Followers of nus
 - Omicron preceders
 - Omicrons' preceders
 - Nu followers
 - Frat letters
 - Greek letters after nus
 - They follow the nus
 - Greek characters
 - Letters from Greece
 - Expected 2015 Sue Grafton title starter
 - Ones following the nus?
 - Letters before omicrons
 - Greek letters near the end of the English dictionary
 - Some fraternity row letters
 - Followers of the nus?
 - "___ for xylophone"
 - Letters after nus
 - Letters between nus and omicrons
 
Last Seen In:
- LA Times - September 05, 2025
 - LA Times - April 14, 2024
 - New York Times - August 30, 2021
 - New York Times - January 07, 2021
 - New York Times - December 07, 2020
 - Universal - September 10, 2020
 - Netword - May 24, 2020
 - Universal - May 17, 2020
 - New York Times - December 15, 2019
 - Universal - October 03, 2019
 - New York Times - September 11, 2019
 - New York Times - March 09, 2019
 - USA Today - January 31, 2018
 - USA Today - January 17, 2018
 - New York Times - November 23, 2017
 - LA Times - December 03, 2016
 - LA Times - December 01, 2016
 - King Syndicate - Eugene Sheffer - October 05, 2016
 - Universal - April 03, 2016
 - King Syndicate - Eugene Sheffer - March 07, 2016
 
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