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

Crossword clues for Like the Mariana Trench:

DEEP: Like the Mariana Trench
DEEPEST: Like the Mariana Trench
DEEPER: Like the Mariana Trench, compared to any other place on Earth
DEEP: Like the Marianas Trench
UNEXPLORED: Like much of the Mariana Trench