irreproducible vs unrepeatable

irreproducible and unrepeatable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
irreproducible	No	Yes	No	No
unrepeatable	No	Yes	No	No

irreproducible (adjective)	unrepeatable (adjective)
impossible to reproduce or duplicate	not able or fit to be repeated or quoted
	unique