Root خ و ض(x w D) has 8 unique word forms and appears 12 times in the Quran.

Word Translation Occurrences
يَخُوضُواْ (to) converse vainly, they engage, they engage, (to) converse vainly 8
نَخُوضُ conversing, indulge in vain talk, conversing, indulge in vain talk 4
خَوۡضِهِمۡ their discourse, their discourse 2
ٱلۡخَآئِضِينَ the vain talkers, the vain talkers 2
وَخُضۡتُمۡ and you indulge, and you indulge 2
خَاضُوٓاْۚ indulges (in idle talk), indulges (in idle talk) 2
يَخُوضُونَ engage (in vain talks), engage (in vain talks) 2
خَوۡضٖ (vain) discourse, (vain) discourse 2