Stem ظُلُمَٰتٍ has 2 unique word forms and appears 3 times in the Quran.

Word Translation Occurrences
ظُلُمَٰتٖ darkness[es], darkness [es] 4
كَظُلُمَٰتٖ (is) like (the) darkness[es], (is) like (the) darkness [es] 2