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

Crossword clues for Underground explorer 5 letters:

CAVER: Underground explorer
CAVES: Underground areas explored by spelunkers
SPELUNK: Do some underground exploring
SPELUNK: Explore underground
URBANCAVER: Unauthorized underground city explorer
URBANCAVER: One who recreationally explores sewers and underground tunnels