There is 1 13-letter word that start with 'tab'.
tablespoonful | |
Note: These 1 13-letter words that start with 'tab' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with tabl, tabo, tabu, tabe, tabb, taba, tabi, tabs.
4-letter words start with 'tab' (2)