Declension table of ?mantrakośa

Masculine	Singular	Dual	Plural
Nominative	mantrakośaḥ	mantrakośau	mantrakośāḥ
Vocative	mantrakośa	mantrakośau	mantrakośāḥ
Accusative	mantrakośam	mantrakośau	mantrakośān
Instrumental	mantrakośena	mantrakośābhyām	mantrakośaiḥ mantrakośebhiḥ
Dative	mantrakośāya	mantrakośābhyām	mantrakośebhyaḥ
Ablative	mantrakośāt	mantrakośābhyām	mantrakośebhyaḥ
Genitive	mantrakośasya	mantrakośayoḥ	mantrakośānām
Locative	mantrakośe	mantrakośayoḥ	mantrakośeṣu

Compound mantrakośa -

Adverb -mantrakośam -mantrakośāt