Declension table of ?manthya

Neuter	Singular	Dual	Plural
Nominative	manthyam	manthye	manthyāni
Vocative	manthya	manthye	manthyāni
Accusative	manthyam	manthye	manthyāni
Instrumental	manthyena	manthyābhyām	manthyaiḥ
Dative	manthyāya	manthyābhyām	manthyebhyaḥ
Ablative	manthyāt	manthyābhyām	manthyebhyaḥ
Genitive	manthyasya	manthyayoḥ	manthyānām
Locative	manthye	manthyayoḥ	manthyeṣu

Compound manthya -

Adverb -manthyam -manthyāt