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

Crossword clues for It has an uphill battle 4 letters:

COHO: Fish with an uphill battle
COHO: It has an uphill battle
STRUGGLE: Uphill battle
STEEP: Like an uphill battle?
ITSAN: '-- uphill battle'
SISYPHUS: One fighting an uphill battle?
NORGAY: It was an uphill battle for him and Hillary