duck vs plunge

duck and plunge both are nouns.

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

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

Other hypernyms of duck include dive, plunk.

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

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

duck (noun)	plunge (noun)
small wild or domesticated web-footed broad-billed swimming bird usually having a depressed body and short legs	a brief swim in water
a heavy cotton fabric of plain weave; used for clothing and tents	a steep and rapid fall
flesh of a duck (domestic or wild)
(cricket) a score of nothing by a batsman

duck (verb)	plunge (verb)
avoid or try to avoid fulfilling, answering, or performing (duties, questions, or issues)	begin with vigor
to move (the head or body) quickly downwards or away	devote (oneself) fully to
submerge or plunge suddenly	cause to be immersed
dip into a liquid	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