Declension table of ?vavenvas

Neuter	Singular	Dual	Plural
Nominative	vavenvat	vavenuṣī	vavenvāṃsi
Vocative	vavenvat	vavenuṣī	vavenvāṃsi
Accusative	vavenvat	vavenuṣī	vavenvāṃsi
Instrumental	vavenuṣā	vavenvadbhyām	vavenvadbhiḥ
Dative	vavenuṣe	vavenvadbhyām	vavenvadbhyaḥ
Ablative	vavenuṣaḥ	vavenvadbhyām	vavenvadbhyaḥ
Genitive	vavenuṣaḥ	vavenuṣoḥ	vavenuṣām
Locative	vavenuṣi	vavenuṣoḥ	vavenvatsu

Compound vavenvat -

Adverb -vavenvat