Declension table of ?pratyuttarīkaraṇa

Neuter	Singular	Dual	Plural
Nominative	pratyuttarīkaraṇam	pratyuttarīkaraṇe	pratyuttarīkaraṇāni
Vocative	pratyuttarīkaraṇa	pratyuttarīkaraṇe	pratyuttarīkaraṇāni
Accusative	pratyuttarīkaraṇam	pratyuttarīkaraṇe	pratyuttarīkaraṇāni
Instrumental	pratyuttarīkaraṇena	pratyuttarīkaraṇābhyām	pratyuttarīkaraṇaiḥ
Dative	pratyuttarīkaraṇāya	pratyuttarīkaraṇābhyām	pratyuttarīkaraṇebhyaḥ
Ablative	pratyuttarīkaraṇāt	pratyuttarīkaraṇābhyām	pratyuttarīkaraṇebhyaḥ
Genitive	pratyuttarīkaraṇasya	pratyuttarīkaraṇayoḥ	pratyuttarīkaraṇānām
Locative	pratyuttarīkaraṇe	pratyuttarīkaraṇayoḥ	pratyuttarīkaraṇeṣu

Compound pratyuttarīkaraṇa -

Adverb -pratyuttarīkaraṇam -pratyuttarīkaraṇāt