Declension table of mantha

Neuter	Singular	Dual	Plural
Nominative	mantham	manthe	manthāni
Vocative	mantha	manthe	manthāni
Accusative	mantham	manthe	manthāni
Instrumental	manthena	manthābhyām	manthaiḥ
Dative	manthāya	manthābhyām	manthebhyaḥ
Ablative	manthāt	manthābhyām	manthebhyaḥ
Genitive	manthasya	manthayoḥ	manthānām
Locative	manthe	manthayoḥ	mantheṣu

Compound mantha -

Adverb -mantham -manthāt