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

Crossword clues for Porcupine's quill. 5 letters:

SPINE: Porcupine quill
SPINE: Porcupine's quill.
SPINES: Porcupine quills
BARB: Porcupine quill feature