Declension table of ?māsadvaya

Neuter	Singular	Dual	Plural
Nominative	māsadvayam	māsadvaye	māsadvayāni
Vocative	māsadvaya	māsadvaye	māsadvayāni
Accusative	māsadvayam	māsadvaye	māsadvayāni
Instrumental	māsadvayena	māsadvayābhyām	māsadvayaiḥ
Dative	māsadvayāya	māsadvayābhyām	māsadvayebhyaḥ
Ablative	māsadvayāt	māsadvayābhyām	māsadvayebhyaḥ
Genitive	māsadvayasya	māsadvayayoḥ	māsadvayānām
Locative	māsadvaye	māsadvayayoḥ	māsadvayeṣu

Compound māsadvaya -

Adverb -māsadvayam -māsadvayāt