Declension table of ?haṃsīya

Neuter	Singular	Dual	Plural
Nominative	haṃsīyam	haṃsīye	haṃsīyāni
Vocative	haṃsīya	haṃsīye	haṃsīyāni
Accusative	haṃsīyam	haṃsīye	haṃsīyāni
Instrumental	haṃsīyena	haṃsīyābhyām	haṃsīyaiḥ
Dative	haṃsīyāya	haṃsīyābhyām	haṃsīyebhyaḥ
Ablative	haṃsīyāt	haṃsīyābhyām	haṃsīyebhyaḥ
Genitive	haṃsīyasya	haṃsīyayoḥ	haṃsīyānām
Locative	haṃsīye	haṃsīyayoḥ	haṃsīyeṣu

Compound haṃsīya -

Adverb -haṃsīyam -haṃsīyāt