contradiction vs contradiction in terms

contradiction and contradiction in terms both are nouns.

Word	Noun	Adjective	Verb	Adverb
contradiction	Yes	No	No	No
contradiction in terms	Yes	No	No	No

As nouns, contradiction and contradiction in terms are synonyms defined as:

contradiction and contradiction in terms: (logic) a statement that is necessarily false

contradiction (noun)	contradiction in terms (noun)
the speech act of contradicting someone	(logic) a statement that is necessarily false
(logic) a statement that is necessarily false
opposition between two conflicting forces or ideas