Declension table of pūrṇamāsa

Masculine	Singular	Dual	Plural
Nominative	pūrṇamāsaḥ	pūrṇamāsau	pūrṇamāsāḥ
Vocative	pūrṇamāsa	pūrṇamāsau	pūrṇamāsāḥ
Accusative	pūrṇamāsam	pūrṇamāsau	pūrṇamāsān
Instrumental	pūrṇamāsena	pūrṇamāsābhyām	pūrṇamāsaiḥ pūrṇamāsebhiḥ
Dative	pūrṇamāsāya	pūrṇamāsābhyām	pūrṇamāsebhyaḥ
Ablative	pūrṇamāsāt	pūrṇamāsābhyām	pūrṇamāsebhyaḥ
Genitive	pūrṇamāsasya	pūrṇamāsayoḥ	pūrṇamāsānām
Locative	pūrṇamāse	pūrṇamāsayoḥ	pūrṇamāseṣu

Compound pūrṇamāsa -

Adverb -pūrṇamāsam -pūrṇamāsāt