Declension table of mastaka

Masculine	Singular	Dual	Plural
Nominative	mastakaḥ	mastakau	mastakāḥ
Vocative	mastaka	mastakau	mastakāḥ
Accusative	mastakam	mastakau	mastakān
Instrumental	mastakena	mastakābhyām	mastakaiḥ mastakebhiḥ
Dative	mastakāya	mastakābhyām	mastakebhyaḥ
Ablative	mastakāt	mastakābhyām	mastakebhyaḥ
Genitive	mastakasya	mastakayoḥ	mastakānām
Locative	mastake	mastakayoḥ	mastakeṣu

Compound mastaka -

Adverb -mastakam -mastakāt