Declension table of mantrya

Masculine	Singular	Dual	Plural
Nominative	mantryaḥ	mantryau	mantryāḥ
Vocative	mantrya	mantryau	mantryāḥ
Accusative	mantryam	mantryau	mantryān
Instrumental	mantryeṇa	mantryābhyām	mantryaiḥ mantryebhiḥ
Dative	mantryāya	mantryābhyām	mantryebhyaḥ
Ablative	mantryāt	mantryābhyām	mantryebhyaḥ
Genitive	mantryasya	mantryayoḥ	mantryāṇām
Locative	mantrye	mantryayoḥ	mantryeṣu

Compound mantrya -

Adverb -mantryam -mantryāt