antinomy vs contradiction

antinomy and contradiction both are nouns.

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

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

antinomy: a contradiction between two statements that seem equally reasonable
contradiction: (logic) a statement that is necessarily false

Other hypernyms of antinomy include contradiction in terms.

antinomy (noun)	contradiction (noun)
a contradiction between two statements that seem equally reasonable	the speech act of contradicting someone
	(logic) a statement that is necessarily false
	opposition between two conflicting forces or ideas