wooden-headed vs duncical

wooden-headed and duncical both are adjectives.

Word	Noun	Adjective	Verb	Adverb
wooden-headed	No	Yes	No	No
duncical	No	Yes	No	No

As adjectives, wooden-headed and duncical are synonyms defined as:

Other synonyms of wooden-headed include blockheaded, boneheaded, duncish, fatheaded, loggerheaded, thick-skulled, thick, thickheaded.

wooden-headed (adjective)	duncical (adjective)
(used informally) stupid	(used informally) stupid