dive vs plunk

dive and plunk both are nouns.

Word	Noun	Adjective	Verb	Adverb
dive	Yes	No	Yes	No
plunk	Yes	No	Yes	Yes

As verbs, dive and plunk are synonyms defined as:

Other synonyms of dive include plunge.

dive (noun)	plunk (noun)
a steep nose-down descent by an aircraft	(baseball) hitting a baseball so that it drops suddenly
a headlong plunge into water	a hollow twanging sound
a cheap disreputable nightclub or dance hall

dive (verb)	plunk (verb)
drop steeply	pull lightly but sharply with a plucking motion
swim under water	set (something or oneself) down with or as if with a noise
plunge into water	drop steeply
	make or move along with a sound as of a horse's hooves striking the ground

dive (adverb)	plunk (adverb)
	with a short hollow thud