Declension table of ?paitrya

Masculine	Singular	Dual	Plural
Nominative	paitryaḥ	paitryau	paitryāḥ
Vocative	paitrya	paitryau	paitryāḥ
Accusative	paitryam	paitryau	paitryān
Instrumental	paitryeṇa	paitryābhyām	paitryaiḥ paitryebhiḥ
Dative	paitryāya	paitryābhyām	paitryebhyaḥ
Ablative	paitryāt	paitryābhyām	paitryebhyaḥ
Genitive	paitryasya	paitryayoḥ	paitryāṇām
Locative	paitrye	paitryayoḥ	paitryeṣu

Compound paitrya -

Adverb -paitryam -paitryāt