Declension table of paitra

Neuter	Singular	Dual	Plural
Nominative	paitram	paitre	paitrāṇi
Vocative	paitra	paitre	paitrāṇi
Accusative	paitram	paitre	paitrāṇi
Instrumental	paitreṇa	paitrābhyām	paitraiḥ
Dative	paitrāya	paitrābhyām	paitrebhyaḥ
Ablative	paitrāt	paitrābhyām	paitrebhyaḥ
Genitive	paitrasya	paitrayoḥ	paitrāṇām
Locative	paitre	paitrayoḥ	paitreṣu

Compound paitra -

Adverb -paitram -paitrāt