Declension table of sthirāyus

Neuter	Singular	Dual	Plural
Nominative	sthirāyuḥ	sthirāyuṣī	sthirāyūṃṣi
Vocative	sthirāyuḥ	sthirāyuṣī	sthirāyūṃṣi
Accusative	sthirāyuḥ	sthirāyuṣī	sthirāyūṃṣi
Instrumental	sthirāyuṣā	sthirāyurbhyām	sthirāyurbhiḥ
Dative	sthirāyuṣe	sthirāyurbhyām	sthirāyurbhyaḥ
Ablative	sthirāyuṣaḥ	sthirāyurbhyām	sthirāyurbhyaḥ
Genitive	sthirāyuṣaḥ	sthirāyuṣoḥ	sthirāyuṣām
Locative	sthirāyuṣi	sthirāyuṣoḥ	sthirāyuḥṣu

Compound sthirāyus -

Adverb -sthirāyus