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"split" is also used as a crossword clue. If that's what you saw, the answer is often divergence (10 letters).
Definitions
come open suddenly and violently, as if from internal pressure
Word origin
Attested since about 1567, from Middle Dutch splitten (“to split”) and/or Middle Low German splitten (“to split”), both ultimately from Proto-West Germanic *splittjan, an intensive form of Proto-West Germanic *splītan (“to split”), from Proto-Germanic *splītaną (whence Danish splitte, Low German splieten, German spleißen), from Proto-Indo-European *(s)pley- (“to split, splice”).
Used in a sentence
“He has split his lip.”
“a huge vessel of exceeding hard marble split asunder by congealed water”
“We split the money among three people.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“Divide into parts”5 letters
02“Break apart”5 letters
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