lay off vs can

lay off is not a noun while can is a noun.

Word	Noun	Adjective	Verb	Adverb
lay off	No	No	Yes	No
can	Yes	No	Yes	No

As verbs, can is a hypernym of lay off; that is, can is a word with a broader meaning than lay off:

lay off (noun)	can (noun)
	airtight sealed metal container for food or drink or paint etc.
	a room or building equipped with one or more toilets
	a plumbing fixture for defecation and urination
	the fleshy part of the human body that you sit on
	a buoy with a round bottom and conical top
	the quantity contained in a can

lay off (verb)	can (verb)
dismiss, usually for economic reasons	preserve in a can or tin
put an end to a state or an activity	terminate the employment of; discharge from an office or position