Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for AMA or ABA:

ASSN: AMA or ABA
ASSNS: AAUW, AMA, and ABA
ORGS: AMA and ABA
ORGS: AMA and ABA, e.g.
ASSN: The second "A" of ABA or AMA