Root ا س ف(A s f) has 3 unique word forms and appears 5 times in the Quran.

Word Translation Occurrences
ءَاسَفُونَا they angered Us 2
أَسَفًا (in) grief 2
أَسِفٗا and grieved 2
أَسِفٗاۚ (and) sorrowful 2
يَٰٓأَسَفَىٰ Alas, my grief, Alas,my grief 2