buzzword (n.) also buzz word, 1946, from buzz (n.) + word (n.). Noted as Harvard student slang for the key words in a lecture or reading. Perhaps from the use of buzz in the popular counting game.
fuzz (v.) 1702, "make fuzzy," from fuzz (n.). Related: Fuzzed; fuzzing. Fuzzword (based on buzzword) "deliberately confusing or imprecise bit of jargon" is a coinage in political writing from 1983.