Declension table of upacāyya

Masculine	Singular	Dual	Plural
Nominative	upacāyyaḥ	upacāyyau	upacāyyāḥ
Vocative	upacāyya	upacāyyau	upacāyyāḥ
Accusative	upacāyyam	upacāyyau	upacāyyān
Instrumental	upacāyyena	upacāyyābhyām	upacāyyaiḥ upacāyyebhiḥ
Dative	upacāyyāya	upacāyyābhyām	upacāyyebhyaḥ
Ablative	upacāyyāt	upacāyyābhyām	upacāyyebhyaḥ
Genitive	upacāyyasya	upacāyyayoḥ	upacāyyānām
Locative	upacāyye	upacāyyayoḥ	upacāyyeṣu

Compound upacāyya -

Adverb -upacāyyam -upacāyyāt