Declension table of ?sattvādhika

Neuter	Singular	Dual	Plural
Nominative	sattvādhikam	sattvādhike	sattvādhikāni
Vocative	sattvādhika	sattvādhike	sattvādhikāni
Accusative	sattvādhikam	sattvādhike	sattvādhikāni
Instrumental	sattvādhikena	sattvādhikābhyām	sattvādhikaiḥ
Dative	sattvādhikāya	sattvādhikābhyām	sattvādhikebhyaḥ
Ablative	sattvādhikāt	sattvādhikābhyām	sattvādhikebhyaḥ
Genitive	sattvādhikasya	sattvādhikayoḥ	sattvādhikānām
Locative	sattvādhike	sattvādhikayoḥ	sattvādhikeṣu

Compound sattvādhika -

Adverb -sattvādhikam -sattvādhikāt