There are 5 13-letter words that start with 'cata'.
| catabolically | catalytically |
| catastrophism | catastrophist |
| catatonically | |
Note: These 5 13-letter words that start with 'cata' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with catal, catap, catac, catab, catar, catam, catas, catat, catad, cataf, cataw.
6-letter words start with 'cata' (1)