Declension table of ?pātrya

Masculine	Singular	Dual	Plural
Nominative	pātryaḥ	pātryau	pātryāḥ
Vocative	pātrya	pātryau	pātryāḥ
Accusative	pātryam	pātryau	pātryān
Instrumental	pātryeṇa	pātryābhyām	pātryaiḥ pātryebhiḥ
Dative	pātryāya	pātryābhyām	pātryebhyaḥ
Ablative	pātryāt	pātryābhyām	pātryebhyaḥ
Genitive	pātryasya	pātryayoḥ	pātryāṇām
Locative	pātrye	pātryayoḥ	pātryeṣu

Compound pātrya -

Adverb -pātryam -pātryāt