Lemma صِيَام has 4 unique word forms and appears 9 times in the Quran.

Word Translation Occurrences
فَصِيَامُ then fasting, then a fast, (that),then fasting, (that), then fasting 8
ٱلصِّيَامَ the fast 2
ٱلصِّيَامُ [the] fasting 2
ٱلصِّيَامِ (of) fasting 2
صِيَامٍ fasting 2
صِيَامٗا (in) fasting 2