Declension table of ?sureṇu

Feminine	Singular	Dual	Plural
Nominative	sureṇuḥ	sureṇū	sureṇavaḥ
Vocative	sureṇo	sureṇū	sureṇavaḥ
Accusative	sureṇum	sureṇū	sureṇūḥ
Instrumental	sureṇvā	sureṇubhyām	sureṇubhiḥ
Dative	sureṇvai sureṇave	sureṇubhyām	sureṇubhyaḥ
Ablative	sureṇvāḥ sureṇoḥ	sureṇubhyām	sureṇubhyaḥ
Genitive	sureṇvāḥ sureṇoḥ	sureṇvoḥ	sureṇūnām
Locative	sureṇvām sureṇau	sureṇvoḥ	sureṇuṣu

Compound sureṇu -

Adverb -sureṇu