Declension table of ?upasti

Masculine	Singular	Dual	Plural
Nominative	upastiḥ	upastī	upastayaḥ
Vocative	upaste	upastī	upastayaḥ
Accusative	upastim	upastī	upastīn
Instrumental	upastinā	upastibhyām	upastibhiḥ
Dative	upastaye	upastibhyām	upastibhyaḥ
Ablative	upasteḥ	upastibhyām	upastibhyaḥ
Genitive	upasteḥ	upastyoḥ	upastīnām
Locative	upastau	upastyoḥ	upastiṣu

Compound upasti -

Adverb -upasti