Root ي ا س(y A s) has 10 unique word forms and appears 13 times in the Quran.

English gloss Renounce, Despair, Hopelessness, Deprive

Word Translation Occurrences
يَئِسَ despair, (have) despaired, (have) despaired, despair 4
يَئِسُواْ (have) despaired, (have) despaired, they despair, they despair 4
ٱسۡتَيۡـَٔسُواْ they despaired, they despaired 2
فَيَـُٔوسٞ then he gives up hope, then he gives up hope 2
لَيَـُٔوسٞ (is) despairing, (is) despairing 2
تَاْيۡـَٔسُواْ despair, despair 2
يَاْيۡـَٔسِ know, know 2
يَـُٔوسٗا (in) despair, (in) despair 2
يَئِسۡنَ have despaired, have despaired 2
يَاْيۡـَٔسُ despairs, despairs 2
ٱسۡتَيۡـَٔسَ gave up hope, gave up hope 2