Declension table of ?karatha

Masculine	Singular	Dual	Plural
Nominative	karathaḥ	karathau	karathāḥ
Vocative	karatha	karathau	karathāḥ
Accusative	karatham	karathau	karathān
Instrumental	karathena	karathābhyām	karathaiḥ
Dative	karathāya	karathābhyām	karathebhyaḥ
Ablative	karathāt	karathābhyām	karathebhyaḥ
Genitive	karathasya	karathayoḥ	karathānām
Locative	karathe	karathayoḥ	karatheṣu

Compound karatha -

Adverb -karatham -karathāt