Declension table of mantrayoga

Masculine	Singular	Dual	Plural
Nominative	mantrayogaḥ	mantrayogau	mantrayogāḥ
Vocative	mantrayoga	mantrayogau	mantrayogāḥ
Accusative	mantrayogam	mantrayogau	mantrayogān
Instrumental	mantrayogeṇa	mantrayogābhyām	mantrayogaiḥ mantrayogebhiḥ
Dative	mantrayogāya	mantrayogābhyām	mantrayogebhyaḥ
Ablative	mantrayogāt	mantrayogābhyām	mantrayogebhyaḥ
Genitive	mantrayogasya	mantrayogayoḥ	mantrayogāṇām
Locative	mantrayoge	mantrayogayoḥ	mantrayogeṣu

Compound mantrayoga -

Adverb -mantrayogam -mantrayogāt