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WordBand 6.5–8Academic (NAWL)
founds
/faʊndz/
verb1 of 2
to be based on, started or created by
noun2 of 2
A thin, single-cut file for comb-makers.
Source: New Academic Word List (Browne, Culligan & Phillips) (CC BY-SA 4.0); Wiktionary (CC BY-SA 3.0)