dullard vs pudden-head

dullard and pudden-head both are nouns.

Word	Noun	Adjective	Verb	Adverb
dullard	Yes	No	No	No
pudden-head	Yes	No	No	No

As nouns, dullard and pudden-head are synonyms defined as:

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

dullard (noun)	pudden-head (noun)
a person who evokes boredom	a person who is not very bright
a person who is not very bright