Nouns

(n)disrepute, discreditthe state of being held in low esteem“your actions will bring discredit to your name”, “because of the scandal the school has fallen into disrepute”

Verbs

(v)discreditcause to be distrusted or disbelieved“The paper discredited the politician with its nasty commentary”
(v)discredit, disgracedamage the reputation of“This newspaper story discredits the politicians”
(v)disbelieve, discreditreject as false; refuse to accept