undershoot vs miss

undershoot is not a noun while miss is a noun.

Word	Noun	Adjective	Verb	Adverb
undershoot	No	No	Yes	No
miss	Yes	No	Yes	No

As verbs, miss is a hypernym of undershoot; that is, miss is a word with a broader meaning than undershoot:

undershoot (noun)	miss (noun)
	a failure to hit (or meet or find etc)
	a young female

undershoot (verb)	miss (verb)
shoot short of or below (a target)	leave undone or leave out
fall short of (the runway) in a landing	fail to experience
	fail to reach
	feel or suffer from the lack of
	fail to reach or get to
	fail to perceive or to catch with the senses or the mind
	be without
	fail to attend an event or activity
	be absent