Declension table of ?ṭaṅkanīya

Neuter	Singular	Dual	Plural
Nominative	ṭaṅkanīyam	ṭaṅkanīye	ṭaṅkanīyāni
Vocative	ṭaṅkanīya	ṭaṅkanīye	ṭaṅkanīyāni
Accusative	ṭaṅkanīyam	ṭaṅkanīye	ṭaṅkanīyāni
Instrumental	ṭaṅkanīyena	ṭaṅkanīyābhyām	ṭaṅkanīyaiḥ
Dative	ṭaṅkanīyāya	ṭaṅkanīyābhyām	ṭaṅkanīyebhyaḥ
Ablative	ṭaṅkanīyāt	ṭaṅkanīyābhyām	ṭaṅkanīyebhyaḥ
Genitive	ṭaṅkanīyasya	ṭaṅkanīyayoḥ	ṭaṅkanīyānām
Locative	ṭaṅkanīye	ṭaṅkanīyayoḥ	ṭaṅkanīyeṣu

Compound ṭaṅkanīya -

Adverb -ṭaṅkanīyam -ṭaṅkanīyāt