Declension table of ?yaśastara

Masculine	Singular	Dual	Plural
Nominative	yaśastaraḥ	yaśastarau	yaśastarāḥ
Vocative	yaśastara	yaśastarau	yaśastarāḥ
Accusative	yaśastaram	yaśastarau	yaśastarān
Instrumental	yaśastareṇa	yaśastarābhyām	yaśastaraiḥ yaśastarebhiḥ
Dative	yaśastarāya	yaśastarābhyām	yaśastarebhyaḥ
Ablative	yaśastarāt	yaśastarābhyām	yaśastarebhyaḥ
Genitive	yaśastarasya	yaśastarayoḥ	yaśastarāṇām
Locative	yaśastare	yaśastarayoḥ	yaśastareṣu

Compound yaśastara -

Adverb -yaśastaram -yaśastarāt