shoplifting vs shrinkage

shoplifting and shrinkage both are nouns.

Word	Noun	Adjective	Verb	Adverb
shoplifting	Yes	No	No	No
shrinkage	Yes	No	No	No

As nouns, shoplifting and shrinkage are synonyms defined as:

shoplifting and shrinkage: the act of stealing goods that are on display in a store

shoplifting (noun)	shrinkage (noun)
the act of stealing goods that are on display in a store	the act of stealing goods that are on display in a store
	the amount by which something shrinks
	process or result of becoming less or smaller