Declension table of pratyāyaka

Neuter	Singular	Dual	Plural
Nominative	pratyāyakam	pratyāyake	pratyāyakāni
Vocative	pratyāyaka	pratyāyake	pratyāyakāni
Accusative	pratyāyakam	pratyāyake	pratyāyakāni
Instrumental	pratyāyakena	pratyāyakābhyām	pratyāyakaiḥ
Dative	pratyāyakāya	pratyāyakābhyām	pratyāyakebhyaḥ
Ablative	pratyāyakāt	pratyāyakābhyām	pratyāyakebhyaḥ
Genitive	pratyāyakasya	pratyāyakayoḥ	pratyāyakānām
Locative	pratyāyake	pratyāyakayoḥ	pratyāyakeṣu

Compound pratyāyaka -

Adverb -pratyāyakam -pratyāyakāt