inventory item vs inventory

inventory item and inventory both are nouns.

Word	Noun	Adjective	Verb	Adverb
inventory item	Yes	No	No	No
inventory	Yes	No	Yes	No

inventory item (noun)	inventory (noun)
an item listed in an inventory	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

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