Declension table of ?pavitrya

Neuter	Singular	Dual	Plural
Nominative	pavitryam	pavitrye	pavitryāṇi
Vocative	pavitrya	pavitrye	pavitryāṇi
Accusative	pavitryam	pavitrye	pavitryāṇi
Instrumental	pavitryeṇa	pavitryābhyām	pavitryaiḥ
Dative	pavitryāya	pavitryābhyām	pavitryebhyaḥ
Ablative	pavitryāt	pavitryābhyām	pavitryebhyaḥ
Genitive	pavitryasya	pavitryayoḥ	pavitryāṇām
Locative	pavitrye	pavitryayoḥ	pavitryeṣu

Compound pavitrya -

Adverb -pavitryam -pavitryāt