Declension table of ?sumahātman

Neuter	Singular	Dual	Plural
Nominative	sumahātma	sumahātmanī	sumahātmāni
Vocative	sumahātman sumahātma	sumahātmanī	sumahātmāni
Accusative	sumahātma	sumahātmanī	sumahātmāni
Instrumental	sumahātmanā	sumahātmabhyām	sumahātmabhiḥ
Dative	sumahātmane	sumahātmabhyām	sumahātmabhyaḥ
Ablative	sumahātmanaḥ	sumahātmabhyām	sumahātmabhyaḥ
Genitive	sumahātmanaḥ	sumahātmanoḥ	sumahātmanām
Locative	sumahātmani	sumahātmanoḥ	sumahātmasu

Compound sumahātma -

Adverb -sumahātma -sumahātmam