There are 13 words that start with 'untu'.
| untuck | untune | untucks |
| untuned | untunes | untucked |
| untufted | untuning | unturned |
| untucking | untunable | untuneful |
| untutored | ||
Note: These 13 words that start with 'untu' are found from the USA & Canada version of the tournament Scrabble word list.