douse vs plunge

douse is not a noun while plunge is a noun.

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

As verbs, douse and plunge are synonyms defined as:

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

Other synonyms of douse include dip, dunk, souse.

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

Other hypernyms of douse include immerse.

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

Other hypernyms of douse include dip, douse, dunk, souse.

douse (noun)	plunge (noun)
	a brief swim in water
	a steep and rapid fall

douse (verb)	plunge (verb)
cover with liquid; pour liquid onto	begin with vigor
slacken	devote (oneself) fully to
lower quickly	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
dip into a liquid	thrust or throw into
wet thoroughly	fall abruptly
put out, as of a candle or a light	drop steeply
	dash violently or with great speed or impetuosity