Crosswordiee.com

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

Crossword clues for Reason to scratch 4 letters:

ITCH: Reason to scratch
ITCH: Reason to scratch one's head?
ITCH: Reason for head-scratching
ITCHES: Reasons to scratch one's head, say