Root ا س و(A s w) has 4 unique word forms and appears 7 times in the Quran.

Word Translation Occurrences
أُسۡوَةٌ an example, an excellent example, an example, an excellent example 6
تَأۡسَ grieve, grieve 4
ءَاسَىٰ I grieve, I grieve 2
تَأۡسَوۡاْ grieve, grieve 2