Declension table of ?caṅkya

Neuter	Singular	Dual	Plural
Nominative	caṅkyam	caṅkye	caṅkyāni
Vocative	caṅkya	caṅkye	caṅkyāni
Accusative	caṅkyam	caṅkye	caṅkyāni
Instrumental	caṅkyena	caṅkyābhyām	caṅkyaiḥ
Dative	caṅkyāya	caṅkyābhyām	caṅkyebhyaḥ
Ablative	caṅkyāt	caṅkyābhyām	caṅkyebhyaḥ
Genitive	caṅkyasya	caṅkyayoḥ	caṅkyānām
Locative	caṅkye	caṅkyayoḥ	caṅkyeṣu

Compound caṅkya -

Adverb -caṅkyam -caṅkyāt