Declension table of ?vartra

Neuter	Singular	Dual	Plural
Nominative	vartram	vartre	vartrāṇi
Vocative	vartra	vartre	vartrāṇi
Accusative	vartram	vartre	vartrāṇi
Instrumental	vartreṇa	vartrābhyām	vartraiḥ
Dative	vartrāya	vartrābhyām	vartrebhyaḥ
Ablative	vartrāt	vartrābhyām	vartrebhyaḥ
Genitive	vartrasya	vartrayoḥ	vartrāṇām
Locative	vartre	vartrayoḥ	vartreṣu

Compound vartra -

Adverb -vartram -vartrāt