plunk down vs flump

plunk down and flump both are verbs.

Word	Noun	Adjective	Verb	Adverb
plunk down	No	No	Yes	No
flump	No	No	Yes	No

As verbs, plunk down and flump are synonyms defined as:

plunk down and flump: set (something or oneself) down with or as if with a noise

Other synonyms of plunk down include plank, plonk, plop, plump, plump down, plunk.

plunk down (verb)	flump (verb)
set (something or oneself) down with or as if with a noise	set (something or oneself) down with or as if with a noise
	fall heavily