Stem مُكَذِّبِينَ has 3 unique word forms and appears 19 times in the Quran.

Word Translation Occurrences
لِّلۡمُكَذِّبِينَ to the deniers 24
ٱلۡمُكَذِّبِينَ (of) the deniers, (of) the rejecters, the deniers 12
وَٱلۡمُكَذِّبِينَ and the deniers 2