Declension table of ?pratyāyakatva

Neuter	Singular	Dual	Plural
Nominative	pratyāyakatvam	pratyāyakatve	pratyāyakatvāni
Vocative	pratyāyakatva	pratyāyakatve	pratyāyakatvāni
Accusative	pratyāyakatvam	pratyāyakatve	pratyāyakatvāni
Instrumental	pratyāyakatvena	pratyāyakatvābhyām	pratyāyakatvaiḥ
Dative	pratyāyakatvāya	pratyāyakatvābhyām	pratyāyakatvebhyaḥ
Ablative	pratyāyakatvāt	pratyāyakatvābhyām	pratyāyakatvebhyaḥ
Genitive	pratyāyakatvasya	pratyāyakatvayoḥ	pratyāyakatvānām
Locative	pratyāyakatve	pratyāyakatvayoḥ	pratyāyakatveṣu

Compound pratyāyakatva -

Adverb -pratyāyakatvam -pratyāyakatvāt