9 letters · 17 points in Scrabble
noun a continuant consonant produced by breath moving against a narrowing of the vocal tract
adjective of speech sounds produced by forcing air through a constricted passage (as `f', `s', `z', or `th' in both `thin' and `then')
originFrom New Latin fricatīvus, from Latin fricāre (“to rub”).
Etymology from Wiktionary, CC BY-SA 3.0