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"keep" is also used as a crossword clue. If that's what you saw, the answer is often retain (6 letters).
Definitions
Retain; continue to have
Word origin
From Middle English kepen (“to keep, guard, look after, watch”), from Old English cēpan (“to seize, hold, observe”), from Proto-West Germanic *kōpijan, from Proto-Germanic *kōpijaną (“to look, heed, watch, observe”) (compare West Frisian kypje (“to look”)), from Proto-Indo-European *ǵab-, *ǵāb- (“to look after”) (compare Lithuanian žẽbti (“to eat reluctantly”), Russian забо́та (zabóta, “care, worry”)).
Used in a sentence
“to keep silence; to keep possession”
“to keep one's word; to keep one's promise”
“Both day and night did we keep company.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer3 curated clues
01“Hold onto”4 letters
02“Retain”4 letters
03“Continue to have”4 letters
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