Root ق ص و(q S w) has 4 unique word forms and appears 5 times in the Quran.

Word Translation Occurrences
أَقۡصَا (the) farthest end 4
قَصِيّٗا remote 2
ٱلۡأَقۡصَا Al-Masjid Al-Aqsa 2
ٱلۡقُصۡوَىٰ the farther 2