slosh vs squish

slosh is not a noun while squish is a noun.

Word	Noun	Adjective	Verb	Adverb
slosh	No	No	Yes	No
squish	Yes	No	Yes	No

As verbs, slosh and squish are synonyms defined as:

Other synonyms of slosh include slop, splash, splosh, squelch.

slosh (noun)	squish (noun)
	the noise of soft mud being walked on

slosh (verb)	squish (verb)
spill or splash copiously or clumsily	put (a liquid) into a container or another place by means of a squirting action
walk through mud or mire	walk through mud or mire
make a splashing sound