nisus vs attempt

nisus and attempt both are nouns.

Word	Noun	Adjective	Verb	Adverb
nisus	Yes	No	No	No
attempt	Yes	No	Yes	No

As nouns, attempt is a hypernym of nisus; that is, attempt is a word with a broader meaning than nisus:

nisus: an effortful attempt to attain a goal
attempt: earnest and conscientious activity intended to do or accomplish something

Other hypernyms of nisus include effort, endeavor, endeavour, try.

nisus (noun)	attempt (noun)
an effortful attempt to attain a goal	earnest and conscientious activity intended to do or accomplish something
	the act of attacking

nisus (verb)	attempt (verb)
	enter upon an activity or enterprise
	make an effort or attempt