Declension table of ?upayācaka

Neuter	Singular	Dual	Plural
Nominative	upayācakam	upayācake	upayācakāni
Vocative	upayācaka	upayācake	upayācakāni
Accusative	upayācakam	upayācake	upayācakāni
Instrumental	upayācakena	upayācakābhyām	upayācakaiḥ
Dative	upayācakāya	upayācakābhyām	upayācakebhyaḥ
Ablative	upayācakāt	upayācakābhyām	upayācakebhyaḥ
Genitive	upayācakasya	upayācakayoḥ	upayācakānām
Locative	upayācake	upayācakayoḥ	upayācakeṣu

Compound upayācaka -

Adverb -upayācakam -upayācakāt