give it a whirl vs seek

give it a whirl is not a noun while seek is a noun.

Word	Noun	Adjective	Verb	Adverb
give it a whirl	No	No	Yes	No
seek	Yes	No	Yes	No

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

Other hypernyms of give it a whirl include assay, attempt, essay, try.

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

give it a whirl (verb)	seek (verb)
try	inquire for
	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