Declension table of ?paryavasāya

Neuter	Singular	Dual	Plural
Nominative	paryavasāyam	paryavasāye	paryavasāyāni
Vocative	paryavasāya	paryavasāye	paryavasāyāni
Accusative	paryavasāyam	paryavasāye	paryavasāyāni
Instrumental	paryavasāyena	paryavasāyābhyām	paryavasāyaiḥ
Dative	paryavasāyāya	paryavasāyābhyām	paryavasāyebhyaḥ
Ablative	paryavasāyāt	paryavasāyābhyām	paryavasāyebhyaḥ
Genitive	paryavasāyasya	paryavasāyayoḥ	paryavasāyānām
Locative	paryavasāye	paryavasāyayoḥ	paryavasāyeṣu

Compound paryavasāya -

Adverb -paryavasāyam -paryavasāyāt