pudding head vs pillock

pudding head and pillock both are nouns.

Word	Noun	Adjective	Verb	Adverb
pudding head	Yes	No	No	No
pillock	Yes	No	No	No

As nouns, pudding head and pillock are synonyms defined as:

Other synonyms of pudding head include dolt, dullard, poor fish, pudden-head, stupe, stupid, stupid person.

pudding head (noun)	pillock (noun)
a person who is not very bright	a person who is not very bright