slosh around vs plash

slosh around is not a noun while plash is a noun.

Word	Noun	Adjective	Verb	Adverb
slosh around	No	No	Yes	No
plash	Yes	No	Yes	No

As verbs, plash is a hypernym of slosh around; that is, plash is a word with a broader meaning than slosh around:

Other hypernyms of slosh around include spatter, splash, splatter, splosh, swash.

slosh around (noun)	plash (noun)
	the sound like water splashing

slosh around (verb)	plash (verb)
spill or splash copiously or clumsily	dash a liquid upon or against
	interlace the shoots of