Declension table of ?sthirta

Neuter	Singular	Dual	Plural
Nominative	sthirtam	sthirte	sthirtāni
Vocative	sthirta	sthirte	sthirtāni
Accusative	sthirtam	sthirte	sthirtāni
Instrumental	sthirtena	sthirtābhyām	sthirtaiḥ
Dative	sthirtāya	sthirtābhyām	sthirtebhyaḥ
Ablative	sthirtāt	sthirtābhyām	sthirtebhyaḥ
Genitive	sthirtasya	sthirtayoḥ	sthirtānām
Locative	sthirte	sthirtayoḥ	sthirteṣu

Compound sthirta -

Adverb -sthirtam -sthirtāt