Declension table of ?ratamānasa

Neuter	Singular	Dual	Plural
Nominative	ratamānasam	ratamānase	ratamānasāni
Vocative	ratamānasa	ratamānase	ratamānasāni
Accusative	ratamānasam	ratamānase	ratamānasāni
Instrumental	ratamānasena	ratamānasābhyām	ratamānasaiḥ
Dative	ratamānasāya	ratamānasābhyām	ratamānasebhyaḥ
Ablative	ratamānasāt	ratamānasābhyām	ratamānasebhyaḥ
Genitive	ratamānasasya	ratamānasayoḥ	ratamānasānām
Locative	ratamānase	ratamānasayoḥ	ratamānaseṣu

Compound ratamānasa -

Adverb -ratamānasam -ratamānasāt