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

Crossword clues for Staircase post 5 letters:

NEWEL: Staircase post
NEWEL: Central post of a spiral staircase
NEWELS: Staircase posts
NEL: Staircase post
NEWELS: Main posts of staircases.