Declension table of ?puruṣasamavāya

Masculine	Singular	Dual	Plural
Nominative	puruṣasamavāyaḥ	puruṣasamavāyau	puruṣasamavāyāḥ
Vocative	puruṣasamavāya	puruṣasamavāyau	puruṣasamavāyāḥ
Accusative	puruṣasamavāyam	puruṣasamavāyau	puruṣasamavāyān
Instrumental	puruṣasamavāyena	puruṣasamavāyābhyām	puruṣasamavāyaiḥ puruṣasamavāyebhiḥ
Dative	puruṣasamavāyāya	puruṣasamavāyābhyām	puruṣasamavāyebhyaḥ
Ablative	puruṣasamavāyāt	puruṣasamavāyābhyām	puruṣasamavāyebhyaḥ
Genitive	puruṣasamavāyasya	puruṣasamavāyayoḥ	puruṣasamavāyānām
Locative	puruṣasamavāye	puruṣasamavāyayoḥ	puruṣasamavāyeṣu

Compound puruṣasamavāya -

Adverb -puruṣasamavāyam -puruṣasamavāyāt