bait vs chaff

bait and chaff both are nouns.

Word	Noun	Adjective	Verb	Adverb
bait	Yes	No	Yes	No
chaff	Yes	No	Yes	No

As verbs, chaff is a hyponym of bait; that is, chaff is a word with a more specific, narrower meaning than bait:

Other hyponyms of bait include barrack, flout, gibe, jeer, scoff, banter, jolly, josh, kid.

bait (noun)	chaff (noun)
something used to lure fish or other animals into danger so they can be trapped or killed	foil in thin strips; ejected into the air as a radar countermeasure
anything that serves as an enticement	material consisting of seed coverings and small pieces of stem or leaves that have been separated from the seeds

bait (verb)	chaff (verb)
harass with persistent criticism or carping	be silly or tease one another
attack with dogs or set dogs upon
lure, entice, or entrap with bait