colloquialism vs plop

colloquialism and plop both are nouns.

Word	Noun	Adjective	Verb	Adverb
colloquialism	Yes	No	No	No
plop	Yes	No	Yes	Yes

colloquialism (noun)	plop (noun)
a colloquial expression; characteristic of spoken or written communication that seeks to imitate informal speech	the noise of a rounded object dropping into a liquid without a splash

colloquialism (verb)	plop (verb)
	set (something or oneself) down with or as if with a noise
	drop with the sound of something falling into water
	drop something with a plopping sound

colloquialism (adverb)	plop (adverb)
	with a short hollow thud