Stem فَجْرِ has 2 unique word forms and appears 6 times in the Quran.

Word Translation Occurrences
ٱلۡفَجۡرِ (at) the dawn, (of) dawn, (of) the dawn 6
ٱلۡفَجۡرِۖ at dawn, [the] dawn 4
وَٱلۡفَجۡرِ By the dawn 2