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"plentiful" is also used as a crossword clue. If that's what you saw, the answer is often ample (5 letters).
Definitions
affording an abundant supply
Word origin
From Middle English plentiful, plentyfull, plentefull, equivalent to plenty + -ful.
Used in a sentence
“a plentiful harvest”
“a plentiful supply of water”
“She accumulated a plentiful collection of books.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Abundant”9 letters
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