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

Crossword clues for Part of a bun:

BIGMAC: Sandwich on a three-part bun
TRESS: Part of a bun
HAIRPINS: Parts of some buns
CAMEOROLL: Bun with a bit part?
NAPE: Body part under a low bun