discredit vs disgrace

discredit and disgrace both are nouns.

Word	Noun	Adjective	Verb	Adverb
discredit	Yes	No	Yes	No
disgrace	Yes	No	Yes	No

As verbs, discredit and disgrace are synonyms defined as:

discredit (noun)	disgrace (noun)
the state of being held in low esteem	a state of dishonor

discredit (verb)	disgrace (verb)
reject as false; refuse to accept	damage the reputation of
cause to be distrusted or disbelieved	reduce in worth or character, usually verbally
damage the reputation of	bring shame or dishonor upon