Root ج ح د(j H d) has 4 unique word forms and appears 12 times in the Quran.

English gloss Renounce, Negate, Deny, Disclaim, Reject

Word Translation Occurrences
يَجۡحَدُونَ deny, reject, rejecting, they reject 14
يَجۡحَدُ deny, reject 6
جَحَدُواْ they rejected 2
وَجَحَدُواْ And they rejected 2