There are 24 4-letter words that start with 'tu'.
| tuba | tube | tubs | tuck | tufa |
| tuff | tuft | tugs | tuis | tule |
| tump | tuna | tune | tung | tuns |
| tups | turd | turf | turk | turn |
| tush | tusk | tuts | tutu | |
Note: These 24 4-letter words that start with 'tu' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with tur, tub, tum, tun, tus, tut, tuf, tuc, tul, tug, tup, tui, tux, tua, tuy, tuq.
3-letter words start with 'tu' (7)