Declension table of ?upayaj

Feminine	Singular	Dual	Plural
Nominative	upayaṭ	upayajau	upayajaḥ
Vocative	upayaṭ	upayajau	upayajaḥ
Accusative	upayajam	upayajau	upayajaḥ
Instrumental	upayajā	upayaḍbhyām	upayaḍbhiḥ
Dative	upayaje	upayaḍbhyām	upayaḍbhyaḥ
Ablative	upayajaḥ	upayaḍbhyām	upayaḍbhyaḥ
Genitive	upayajaḥ	upayajoḥ	upayajām
Locative	upayaji	upayajoḥ	upayaṭsu

Compound upayaṭ -

Adverb -upayaṭ