startle vs jackrabbit

startle and jackrabbit both are nouns.

Word	Noun	Adjective	Verb	Adverb
startle	Yes	No	Yes	No
jackrabbit	Yes	No	Yes	No

As verbs, jackrabbit is a hyponym of startle; that is, jackrabbit is a word with a more specific, narrower meaning than startle:

Other hyponyms of startle include shy, boggle, rear back.

startle (noun)	jackrabbit (noun)
a sudden involuntary movement	large hare of western North America

startle (verb)	jackrabbit (verb)
to stimulate to action	go forward or start with a fast, sudden movement
move or jump suddenly, as if in surprise or alarm