contradiction vs falsehood

contradiction and falsehood both are nouns.

Word	Noun	Adjective	Verb	Adverb
contradiction	Yes	No	No	No
falsehood	Yes	No	No	No

As nouns, falsehood is a hypernym of contradiction; that is, falsehood is a word with a broader meaning than contradiction:

Other hypernyms of contradiction include falsity, untruth.

contradiction (noun)	falsehood (noun)
the speech act of contradicting someone	the act of rendering something false as by fraudulent changes (of documents or measures etc.) or counterfeiting
(logic) a statement that is necessarily false	a false statement
opposition between two conflicting forces or ideas