dry cleaner vs cleaner

dry cleaner and cleaner both are nouns.

Word	Noun	Adjective	Verb	Adverb
dry cleaner	Yes	No	No	No
cleaner	Yes	No	No	No

As nouns, dry cleaner and cleaner are synonyms defined as:

dry cleaner (noun)	cleaner (noun)
the operator of dry-cleaning establishment	a preparation used in cleaning something
	someone whose occupation is cleaning
	the operator of dry-cleaning establishment