Declension table of ?dhvananīya

Neuter	Singular	Dual	Plural
Nominative	dhvananīyam	dhvananīye	dhvananīyāni
Vocative	dhvananīya	dhvananīye	dhvananīyāni
Accusative	dhvananīyam	dhvananīye	dhvananīyāni
Instrumental	dhvananīyena	dhvananīyābhyām	dhvananīyaiḥ
Dative	dhvananīyāya	dhvananīyābhyām	dhvananīyebhyaḥ
Ablative	dhvananīyāt	dhvananīyābhyām	dhvananīyebhyaḥ
Genitive	dhvananīyasya	dhvananīyayoḥ	dhvananīyānām
Locative	dhvananīye	dhvananīyayoḥ	dhvananīyeṣu

Compound dhvananīya -

Adverb -dhvananīyam -dhvananīyāt