Stem جَنَّتَيْنِ has 2 unique word forms and appears 4 times in the Quran.

Word Translation Occurrences
جَنَّتَيۡنِ two gardens, (with) two gardens 4
ٱلۡجَنَّتَيۡنِ (of) both the gardens, (of) the two gardens 4