There are 12 12-letter words that start with 'carb'.
| carbohydrase | carbohydrate | carbonaceous |
| carbonadoing | carbonations | carboxylases |
| carboxylated | carboxylates | carburetions |
| carburetters | carburetting | carburettors |
Note: These 12 12-letter words that start with 'carb' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with carbo, carbu, carba, carbi, carbs.
5-letter words start with 'carb' (2)