There are 5 13-letter words that start with 'unt'.
| untheoretical | unthreatening |
| untraditional | untransformed |
| untrustworthy | |
Note: These 5 13-letter words that start with 'unt' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with untr, unti, unta, unth, unte, untu, unto, untw, unty.
4-letter words start with 'unt' (1)