Lemma اثْنَيْن has 4 unique word forms and appears 13 times in the Quran.

Word Translation Occurrences
ٱثۡنَيۡنِ (of) the two, two, two (Messengers) 12
ٱثۡنَيۡنِۖ two 4
ٱثۡنَيۡنِۗ two 4
ٱثۡنَا (is) twelve 2
ٱثۡنَانِ two 2
ٱثۡنَيۡ two 2