Declension table of ?supavitra

Neuter	Singular	Dual	Plural
Nominative	supavitram	supavitre	supavitrāṇi
Vocative	supavitra	supavitre	supavitrāṇi
Accusative	supavitram	supavitre	supavitrāṇi
Instrumental	supavitreṇa	supavitrābhyām	supavitraiḥ
Dative	supavitrāya	supavitrābhyām	supavitrebhyaḥ
Ablative	supavitrāt	supavitrābhyām	supavitrebhyaḥ
Genitive	supavitrasya	supavitrayoḥ	supavitrāṇām
Locative	supavitre	supavitrayoḥ	supavitreṣu

Compound supavitra -

Adverb -supavitram -supavitrāt