stock list vs inventory

stock list and inventory both are nouns.

Word	Noun	Adjective	Verb	Adverb
stock list	Yes	No	No	No
inventory	Yes	No	Yes	No

As nouns, stock list and inventory are synonyms defined as:

stock list (noun)	inventory (noun)
a detailed list of all the items in stock	making an itemized list of merchandise or supplies on hand
	the merchandise that a shop has on hand
	a collection of resources
	a detailed list of all the items in stock
	(accounting) the value of a firm's current assets including raw materials and work in progress and finished goods

stock list (verb)	inventory (verb)
	make or include in an itemized record or report