put on the line vs attempt

put on the line is not a noun while attempt is a noun.

Word	Noun	Adjective	Verb	Adverb
put on the line	No	No	Yes	No
attempt	Yes	No	Yes	No

As verbs, attempt is a hypernym of put on the line; that is, attempt is a word with a broader meaning than put on the line:

Other hypernyms of put on the line include assay, essay, seek, try.

put on the line (noun)	attempt (noun)
	earnest and conscientious activity intended to do or accomplish something
	the act of attacking

put on the line (verb)	attempt (verb)
expose to a chance of loss or damage	enter upon an activity or enterprise
	make an effort or attempt