Declension table of ?sevanin

Masculine	Singular	Dual	Plural
Nominative	sevanī	sevaninau	sevaninaḥ
Vocative	sevanin	sevaninau	sevaninaḥ
Accusative	sevaninam	sevaninau	sevaninaḥ
Instrumental	sevaninā	sevanibhyām	sevanibhiḥ
Dative	sevanine	sevanibhyām	sevanibhyaḥ
Ablative	sevaninaḥ	sevanibhyām	sevanibhyaḥ
Genitive	sevaninaḥ	sevaninoḥ	sevaninām
Locative	sevanini	sevaninoḥ	sevaniṣu

Compound sevani -

Adverb -sevani