Declension table of sumukha

Neuter	Singular	Dual	Plural
Nominative	sumukham	sumukhe	sumukhāni
Vocative	sumukha	sumukhe	sumukhāni
Accusative	sumukham	sumukhe	sumukhāni
Instrumental	sumukhena	sumukhābhyām	sumukhaiḥ
Dative	sumukhāya	sumukhābhyām	sumukhebhyaḥ
Ablative	sumukhāt	sumukhābhyām	sumukhebhyaḥ
Genitive	sumukhasya	sumukhayoḥ	sumukhānām
Locative	sumukhe	sumukhayoḥ	sumukheṣu

Compound sumukha -

Adverb -sumukham -sumukhāt