Declension table of pratyāya

Masculine	Singular	Dual	Plural
Nominative	pratyāyaḥ	pratyāyau	pratyāyāḥ
Vocative	pratyāya	pratyāyau	pratyāyāḥ
Accusative	pratyāyam	pratyāyau	pratyāyān
Instrumental	pratyāyena	pratyāyābhyām	pratyāyaiḥ pratyāyebhiḥ
Dative	pratyāyāya	pratyāyābhyām	pratyāyebhyaḥ
Ablative	pratyāyāt	pratyāyābhyām	pratyāyebhyaḥ
Genitive	pratyāyasya	pratyāyayoḥ	pratyāyānām
Locative	pratyāye	pratyāyayoḥ	pratyāyeṣu

Compound pratyāya -

Adverb -pratyāyam -pratyāyāt