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

Crossword clues for Ring ref's call:

TKOS: Refs.' ring calls
TKO: Ref's ring call
TKOS: Ring ref's calls
KOS: Ref's ring calls
TKO: Ring ref's call
TKO: Ring win called by a ref
TKO: Ref's call in the ring