Declension table of gurumukha

Masculine	Singular	Dual	Plural
Nominative	gurumukhaḥ	gurumukhau	gurumukhāḥ
Vocative	gurumukha	gurumukhau	gurumukhāḥ
Accusative	gurumukham	gurumukhau	gurumukhān
Instrumental	gurumukheṇa	gurumukhābhyām	gurumukhaiḥ gurumukhebhiḥ
Dative	gurumukhāya	gurumukhābhyām	gurumukhebhyaḥ
Ablative	gurumukhāt	gurumukhābhyām	gurumukhebhyaḥ
Genitive	gurumukhasya	gurumukhayoḥ	gurumukhāṇām
Locative	gurumukhe	gurumukhayoḥ	gurumukheṣu

Compound gurumukha -

Adverb -gurumukham -gurumukhāt