Declension table of ?cayya

Neuter	Singular	Dual	Plural
Nominative	cayyam	cayye	cayyāni
Vocative	cayya	cayye	cayyāni
Accusative	cayyam	cayye	cayyāni
Instrumental	cayyena	cayyābhyām	cayyaiḥ
Dative	cayyāya	cayyābhyām	cayyebhyaḥ
Ablative	cayyāt	cayyābhyām	cayyebhyaḥ
Genitive	cayyasya	cayyayoḥ	cayyānām
Locative	cayye	cayyayoḥ	cayyeṣu

Compound cayya -

Adverb -cayyam -cayyāt