Declension table of ?karkaṭu

Masculine	Singular	Dual	Plural
Nominative	karkaṭuḥ	karkaṭū	karkaṭavaḥ
Vocative	karkaṭo	karkaṭū	karkaṭavaḥ
Accusative	karkaṭum	karkaṭū	karkaṭūn
Instrumental	karkaṭunā	karkaṭubhyām	karkaṭubhiḥ
Dative	karkaṭave	karkaṭubhyām	karkaṭubhyaḥ
Ablative	karkaṭoḥ	karkaṭubhyām	karkaṭubhyaḥ
Genitive	karkaṭoḥ	karkaṭvoḥ	karkaṭūnām
Locative	karkaṭau	karkaṭvoḥ	karkaṭuṣu

Compound karkaṭu -

Adverb -karkaṭu