souse vs plunge

souse and plunge both are nouns.

Word	Noun	Adjective	Verb	Adverb
souse	Yes	No	Yes	No
plunge	Yes	No	Yes	No

As verbs, souse and plunge are synonyms defined as:

souse and plunge: immerse briefly into a liquid so as to wet, coat, or saturate

Other synonyms of souse include dip, douse, dunk.

As verbs, plunge is a hypernym of souse; that is, plunge is a word with a broader meaning than souse:

Other hypernyms of souse include immerse.

souse (noun)	plunge (noun)
the act of making something completely wet	a brief swim in water
pork trimmings chopped and pickled and jelled	a steep and rapid fall
a person who drinks alcohol to excess habitually

souse (verb)	plunge (verb)
cook in a marinade	begin with vigor
cover with liquid; pour liquid onto	devote (oneself) fully to
become drunk or drink excessively	cause to be immersed
immerse briefly into a liquid so as to wet, coat, or saturate	immerse briefly into a liquid so as to wet, coat, or saturate
	thrust or throw into
	fall abruptly
	drop steeply
	dash violently or with great speed or impetuosity