Declension table of ?ratta

Masculine	Singular	Dual	Plural
Nominative	rattaḥ	rattau	rattāḥ
Vocative	ratta	rattau	rattāḥ
Accusative	rattam	rattau	rattān
Instrumental	rattena	rattābhyām	rattaiḥ rattebhiḥ
Dative	rattāya	rattābhyām	rattebhyaḥ
Ablative	rattāt	rattābhyām	rattebhyaḥ
Genitive	rattasya	rattayoḥ	rattānām
Locative	ratte	rattayoḥ	ratteṣu

Compound ratta -

Adverb -rattam -rattāt