Declension table of ?upāsitṛ

Neuter	Singular	Dual	Plural
Nominative	upāsitṛ	upāsitṛṇī	upāsitṝṇi
Vocative	upāsitṛ	upāsitṛṇī	upāsitṝṇi
Accusative	upāsitṛ	upāsitṛṇī	upāsitṝṇi
Instrumental	upāsitṛṇā	upāsitṛbhyām	upāsitṛbhiḥ
Dative	upāsitṛṇe	upāsitṛbhyām	upāsitṛbhyaḥ
Ablative	upāsitṛṇaḥ	upāsitṛbhyām	upāsitṛbhyaḥ
Genitive	upāsitṛṇaḥ	upāsitṛṇoḥ	upāsitṝṇām
Locative	upāsitṛṇi	upāsitṛṇoḥ	upāsitṛṣu

Compound upāsitṛ -

Adverb -upāsitṛ