striving vs attempt

striving and attempt both are nouns.

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

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

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

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

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

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