There are 16 10-letter words that start with 'tet'.
| tetanising | tetanizing | tetchiness |
| tetherball | tetracaine | tetrachord |
| tetragonal | tetragrams | tetrahedra |
| tetrameric | tetrameter | tetraploid |
| tetrarchic | tetraspore | tetrazzini |
| tetroxides | ||
Note: These 16 10-letter words that start with 'tet' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with tetr, teta, teth, tetc, teto, tett, tets.
4-letter words start with 'tet' (2)