Declension table of ?upacāyyaka

Masculine	Singular	Dual	Plural
Nominative	upacāyyakaḥ	upacāyyakau	upacāyyakāḥ
Vocative	upacāyyaka	upacāyyakau	upacāyyakāḥ
Accusative	upacāyyakam	upacāyyakau	upacāyyakān
Instrumental	upacāyyakena	upacāyyakābhyām	upacāyyakaiḥ upacāyyakebhiḥ
Dative	upacāyyakāya	upacāyyakābhyām	upacāyyakebhyaḥ
Ablative	upacāyyakāt	upacāyyakābhyām	upacāyyakebhyaḥ
Genitive	upacāyyakasya	upacāyyakayoḥ	upacāyyakānām
Locative	upacāyyake	upacāyyakayoḥ	upacāyyakeṣu

Compound upacāyyaka -

Adverb -upacāyyakam -upacāyyakāt