Declension table of ?cāttra

Masculine	Singular	Dual	Plural
Nominative	cāttraḥ	cāttrau	cāttrāḥ
Vocative	cāttra	cāttrau	cāttrāḥ
Accusative	cāttram	cāttrau	cāttrān
Instrumental	cāttreṇa	cāttrābhyām	cāttraiḥ cāttrebhiḥ
Dative	cāttrāya	cāttrābhyām	cāttrebhyaḥ
Ablative	cāttrāt	cāttrābhyām	cāttrebhyaḥ
Genitive	cāttrasya	cāttrayoḥ	cāttrāṇām
Locative	cāttre	cāttrayoḥ	cāttreṣu

Compound cāttra -

Adverb -cāttram -cāttrāt