Declension table of ?pūrṇamānasa

Masculine	Singular	Dual	Plural
Nominative	pūrṇamānasaḥ	pūrṇamānasau	pūrṇamānasāḥ
Vocative	pūrṇamānasa	pūrṇamānasau	pūrṇamānasāḥ
Accusative	pūrṇamānasam	pūrṇamānasau	pūrṇamānasān
Instrumental	pūrṇamānasena	pūrṇamānasābhyām	pūrṇamānasaiḥ pūrṇamānasebhiḥ
Dative	pūrṇamānasāya	pūrṇamānasābhyām	pūrṇamānasebhyaḥ
Ablative	pūrṇamānasāt	pūrṇamānasābhyām	pūrṇamānasebhyaḥ
Genitive	pūrṇamānasasya	pūrṇamānasayoḥ	pūrṇamānasānām
Locative	pūrṇamānase	pūrṇamānasayoḥ	pūrṇamānaseṣu

Compound pūrṇamānasa -

Adverb -pūrṇamānasam -pūrṇamānasāt