Declension table of ?sthiratara

Masculine	Singular	Dual	Plural
Nominative	sthirataraḥ	sthiratarau	sthiratarāḥ
Vocative	sthiratara	sthiratarau	sthiratarāḥ
Accusative	sthirataram	sthiratarau	sthiratarān
Instrumental	sthiratareṇa	sthiratarābhyām	sthirataraiḥ sthiratarebhiḥ
Dative	sthiratarāya	sthiratarābhyām	sthiratarebhyaḥ
Ablative	sthiratarāt	sthiratarābhyām	sthiratarebhyaḥ
Genitive	sthiratarasya	sthiratarayoḥ	sthiratarāṇām
Locative	sthiratare	sthiratarayoḥ	sthiratareṣu

Compound sthiratara -

Adverb -sthirataram -sthiratarāt