Declension table of sthirāyus

Masculine	Singular	Dual	Plural
Nominative	sthirāyuḥ	sthirāyuṣau	sthirāyuṣaḥ
Vocative	sthirāyuḥ	sthirāyuṣau	sthirāyuṣaḥ
Accusative	sthirāyuṣam	sthirāyuṣau	sthirāyuṣaḥ
Instrumental	sthirāyuṣā	sthirāyurbhyām	sthirāyurbhiḥ
Dative	sthirāyuṣe	sthirāyurbhyām	sthirāyurbhyaḥ
Ablative	sthirāyuṣaḥ	sthirāyurbhyām	sthirāyurbhyaḥ
Genitive	sthirāyuṣaḥ	sthirāyuṣoḥ	sthirāyuṣām
Locative	sthirāyuṣi	sthirāyuṣoḥ	sthirāyuḥṣu

Compound sthirāyus -

Adverb -sthirāyus