Declension table of ?topanīya

Neuter	Singular	Dual	Plural
Nominative	topanīyam	topanīye	topanīyāni
Vocative	topanīya	topanīye	topanīyāni
Accusative	topanīyam	topanīye	topanīyāni
Instrumental	topanīyena	topanīyābhyām	topanīyaiḥ
Dative	topanīyāya	topanīyābhyām	topanīyebhyaḥ
Ablative	topanīyāt	topanīyābhyām	topanīyebhyaḥ
Genitive	topanīyasya	topanīyayoḥ	topanīyānām
Locative	topanīye	topanīyayoḥ	topanīyeṣu

Compound topanīya -

Adverb -topanīyam -topanīyāt