Declension table of ?tānava

Neuter	Singular	Dual	Plural
Nominative	tānavam	tānave	tānavāni
Vocative	tānava	tānave	tānavāni
Accusative	tānavam	tānave	tānavāni
Instrumental	tānavena	tānavābhyām	tānavaiḥ
Dative	tānavāya	tānavābhyām	tānavebhyaḥ
Ablative	tānavāt	tānavābhyām	tānavebhyaḥ
Genitive	tānavasya	tānavayoḥ	tānavānām
Locative	tānave	tānavayoḥ	tānaveṣu

Compound tānava -

Adverb -tānavam -tānavāt