pudding face vs smiler

pudding face and smiler both are nouns.

Word	Noun	Adjective	Verb	Adverb
pudding face	Yes	No	No	No
smiler	Yes	No	No	No

As nouns, smiler is a hypernym of pudding face; that is, smiler is a word with a broader meaning than pudding face:

pudding face: a large fat human face
smiler: the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)

Other hypernyms of pudding face include countenance, kisser, mug, phiz, physiognomy, visage.

pudding face (noun)	smiler (noun)
a large fat human face	the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
	a person who smiles