recap vs retread

recap and retread both are nouns.

Word	Noun	Adjective	Verb	Adverb
recap	Yes	No	Yes	No
retread	Yes	No	Yes	No

As nouns, recap and retread are synonyms defined as:

recap and retread: a used automobile tire that has been remolded to give it new treads

recap (noun)	retread (noun)
a summary at the end that repeats the substance of a longer discussion	a used automobile tire that has been remolded to give it new treads
a used automobile tire that has been remolded to give it new treads

recap (verb)	retread (verb)
summarize briefly	give new treads to (a tire)
	use again in altered form