Fringilla cælebs, common European bird "with pretty plumage and pleasant short song" [OED], Old English ceaffinc, literally "chaff-finch," so called for its habit of eating waste grain among the chaff on farms in winter. See chaff + finch.
chaetophobia
chafe
chafer
chaff
chaffer
chaffinch
chagrin
chai
chain
chain-gang
chain-saw
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