lay on the line vs risk

lay on the line is not a noun while risk is a noun.

Word	Noun	Adjective	Verb	Adverb
lay on the line	No	No	Yes	No
risk	Yes	No	Yes	No

As verbs, lay on the line and risk are synonyms defined as:

Other synonyms of lay on the line include put on the line.

lay on the line (noun)	risk (noun)
	a venture undertaken without regard to possible loss or injury
	the probability of being exposed to an infectious agent
	the probability of becoming infected given that exposure to an infectious agent has occurred
	a source of danger; a possibility of incurring loss or misfortune

lay on the line (verb)	risk (verb)
expose to a chance of loss or damage	expose to a chance of loss or damage
	take a risk in the hope of a favorable outcome