strive vs seek

strive is not a noun while seek is a noun.

Word	Noun	Adjective	Verb	Adverb
strive	No	No	Yes	No
seek	Yes	No	Yes	No

As verbs, seek is a hypernym of strive; that is, seek is a word with a broader meaning than strive:

Other hypernyms of strive include assay, attempt, essay, try.

strive (noun)	seek (noun)
	the movement of a read/write head to a specific data track on a disk

strive (verb)	seek (verb)
to exert much effort or energy	inquire for
attempt by employing effort	try to locate or discover, or try to establish the existence of
	go to or towards
	try to get or reach
	make an effort or attempt