Declension table of ?taṅkya

Neuter	Singular	Dual	Plural
Nominative	taṅkyam	taṅkye	taṅkyāni
Vocative	taṅkya	taṅkye	taṅkyāni
Accusative	taṅkyam	taṅkye	taṅkyāni
Instrumental	taṅkyena	taṅkyābhyām	taṅkyaiḥ
Dative	taṅkyāya	taṅkyābhyām	taṅkyebhyaḥ
Ablative	taṅkyāt	taṅkyābhyām	taṅkyebhyaḥ
Genitive	taṅkyasya	taṅkyayoḥ	taṅkyānām
Locative	taṅkye	taṅkyayoḥ	taṅkyeṣu

Compound taṅkya -

Adverb -taṅkyam -taṅkyāt