warming pan vs pan

warming pan and pan both are nouns.

Word	Noun	Adjective	Verb	Adverb
warming pan	Yes	No	No	No
pan	Yes	No	Yes	No

As nouns, pan is a hypernym of warming pan; that is, pan is a word with a broader meaning than warming pan:

warming pan (noun)	pan (noun)
a long-handled covered pan holding live coals to warm a bed	shallow container made of metal
	cooking utensil consisting of a wide metal vessel

warming pan (verb)	pan (verb)
	express a totally negative opinion of
	wash dirt in a pan to separate out the precious minerals
	make a sweeping movement