Declension table of manthana

Neuter	Singular	Dual	Plural
Nominative	manthanam	manthane	manthanāni
Vocative	manthana	manthane	manthanāni
Accusative	manthanam	manthane	manthanāni
Instrumental	manthanena	manthanābhyām	manthanaiḥ
Dative	manthanāya	manthanābhyām	manthanebhyaḥ
Ablative	manthanāt	manthanābhyām	manthanebhyaḥ
Genitive	manthanasya	manthanayoḥ	manthanānām
Locative	manthane	manthanayoḥ	manthaneṣu

Compound manthana -

Adverb -manthanam -manthanāt