Crosswordiee.com

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

Crossword clues for Drainage pit 4 letters:

SUMP: Drainage pit
SUMP: Pit for drainage.
SUMPS: Drainage pits
SUMPS: Mine drainage pits.
SUMPS: Liquid-drainage pits