Declension table of ?upastir

Feminine	Singular	Dual	Plural
Nominative	upastīḥ	upastirau	upastiraḥ
Vocative	upastīḥ	upastirau	upastiraḥ
Accusative	upastiram	upastirau	upastiraḥ
Instrumental	upastirā	upastīrbhyām	upastīrbhiḥ
Dative	upastire	upastīrbhyām	upastīrbhyaḥ
Ablative	upastiraḥ	upastīrbhyām	upastīrbhyaḥ
Genitive	upastiraḥ	upastiroḥ	upastirām
Locative	upastiri	upastiroḥ	upastīrṣu

Compound upastir - upastīr -

Adverb -upastir