Declension table of ?pattrika

Masculine	Singular	Dual	Plural
Nominative	pattrikaḥ	pattrikau	pattrikāḥ
Vocative	pattrika	pattrikau	pattrikāḥ
Accusative	pattrikam	pattrikau	pattrikān
Instrumental	pattrikeṇa	pattrikābhyām	pattrikaiḥ pattrikebhiḥ
Dative	pattrikāya	pattrikābhyām	pattrikebhyaḥ
Ablative	pattrikāt	pattrikābhyām	pattrikebhyaḥ
Genitive	pattrikasya	pattrikayoḥ	pattrikāṇām
Locative	pattrike	pattrikayoḥ	pattrikeṣu

Compound pattrika -

Adverb -pattrikam -pattrikāt