shame vs reproach

shame and reproach both are nouns.

Word	Noun	Adjective	Verb	Adverb
shame	Yes	No	Yes	No
reproach	Yes	No	Yes	No

As nouns, reproach is a hyponym of shame; that is, reproach is a word with a more specific, narrower meaning than shame:

Other hyponyms of shame include humiliation, obloquy, opprobrium, odium, cringe.

shame (noun)	reproach (noun)
an unfortunate development	a mild rebuke or criticism
a painful emotion resulting from an awareness of inadequacy or guilt	disgrace or shame
a state of dishonor

shame (verb)	reproach (verb)
surpass or beat by a wide margin	express criticism towards
cause to be ashamed
bring shame or dishonor upon
compel through a sense of shame