dialectic vs dialectician

dialectic and dialectician both are nouns.

Word	Noun	Adjective	Verb	Adverb
dialectic	Yes	Yes	No	No
dialectician	Yes	No	No	No

dialectic (noun)	dialectician (noun)
any formal system of reasoning that arrives at the truth by the exchange of logical arguments	a logician skilled in dialectic
a contradiction of ideas that serves as the determining factor in their interaction

dialectic (adjective)	dialectician (adjective)
of or relating to or employing dialectic