dress hanger vs hanger

dress hanger and hanger both are nouns.

Word	Noun	Adjective	Verb	Adverb
dress hanger	Yes	No	No	No
hanger	Yes	No	No	No

As nouns, hanger is a hypernym of dress hanger; that is, hanger is a word with a broader meaning than dress hanger:

dress hanger: a hanger that is shaped like a person's shoulders and used to hang garments on
hanger: anything from which something can be hung

dress hanger (noun)	hanger (noun)
a hanger that is shaped like a person's shoulders and used to hang garments on	anything from which something can be hung
	a worker who hangs something