Declension table of ?suphena

Neuter	Singular	Dual	Plural
Nominative	suphenam	suphene	suphenāni
Vocative	suphena	suphene	suphenāni
Accusative	suphenam	suphene	suphenāni
Instrumental	suphenena	suphenābhyām	suphenaiḥ
Dative	suphenāya	suphenābhyām	suphenebhyaḥ
Ablative	suphenāt	suphenābhyām	suphenebhyaḥ
Genitive	suphenasya	suphenayoḥ	suphenānām
Locative	suphene	suphenayoḥ	supheneṣu

Compound suphena -

Adverb -suphenam -suphenāt