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"component" is also used as a crossword clue. If that's what you saw, the answer is often constituting (12 letters).
Definitions
A part of a larger whole, system, or machine.
Word origin
Borrowed from Latin compōnēns, compōnēntis, present participle of compōnō (“assemble, put together”).
Used in a sentence
“A CPU is a component of a computer.”
“Lying is a key component of communism.”
“a component word”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer2 curated clues
01“System piece”9 letters
02“Part of a system”9 letters
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