Declension table of ?mātṛmukha

Neuter	Singular	Dual	Plural
Nominative	mātṛmukham	mātṛmukhe	mātṛmukhāṇi
Vocative	mātṛmukha	mātṛmukhe	mātṛmukhāṇi
Accusative	mātṛmukham	mātṛmukhe	mātṛmukhāṇi
Instrumental	mātṛmukheṇa	mātṛmukhābhyām	mātṛmukhaiḥ
Dative	mātṛmukhāya	mātṛmukhābhyām	mātṛmukhebhyaḥ
Ablative	mātṛmukhāt	mātṛmukhābhyām	mātṛmukhebhyaḥ
Genitive	mātṛmukhasya	mātṛmukhayoḥ	mātṛmukhāṇām
Locative	mātṛmukhe	mātṛmukhayoḥ	mātṛmukheṣu

Compound mātṛmukha -

Adverb -mātṛmukham -mātṛmukhāt