Declension table of sthira

Masculine	Singular	Dual	Plural
Nominative	sthiraḥ	sthirau	sthirāḥ
Vocative	sthira	sthirau	sthirāḥ
Accusative	sthiram	sthirau	sthirān
Instrumental	sthireṇa	sthirābhyām	sthiraiḥ sthirebhiḥ
Dative	sthirāya	sthirābhyām	sthirebhyaḥ
Ablative	sthirāt	sthirābhyām	sthirebhyaḥ
Genitive	sthirasya	sthirayoḥ	sthirāṇām
Locative	sthire	sthirayoḥ	sthireṣu

Compound sthira -

Adverb -sthiram -sthirāt