Declension table of ?upamitra

Neuter	Singular	Dual	Plural
Nominative	upamitram	upamitre	upamitrāṇi
Vocative	upamitra	upamitre	upamitrāṇi
Accusative	upamitram	upamitre	upamitrāṇi
Instrumental	upamitreṇa	upamitrābhyām	upamitraiḥ
Dative	upamitrāya	upamitrābhyām	upamitrebhyaḥ
Ablative	upamitrāt	upamitrābhyām	upamitrebhyaḥ
Genitive	upamitrasya	upamitrayoḥ	upamitrāṇām
Locative	upamitre	upamitrayoḥ	upamitreṣu

Compound upamitra -

Adverb -upamitram -upamitrāt