Declension table of ?parivartaka

Neuter	Singular	Dual	Plural
Nominative	parivartakam	parivartake	parivartakāni
Vocative	parivartaka	parivartake	parivartakāni
Accusative	parivartakam	parivartake	parivartakāni
Instrumental	parivartakena	parivartakābhyām	parivartakaiḥ
Dative	parivartakāya	parivartakābhyām	parivartakebhyaḥ
Ablative	parivartakāt	parivartakābhyām	parivartakebhyaḥ
Genitive	parivartakasya	parivartakayoḥ	parivartakānām
Locative	parivartake	parivartakayoḥ	parivartakeṣu

Compound parivartaka -

Adverb -parivartakam -parivartakāt