There are 10 13-letter words that start with 'ten'.
| tenablenesses | tenaciousness |
| tendentiously | tenderhearted |
| tenderization | tenderometers |
| tenosynovitis | tensiometries |
| tentativeness | tenuousnesses |
Note: These 10 13-letter words that start with 'ten' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with tend, tens, tent, tena, teno, tenu, tene, tenn, tenp, teni, tenc, tenf, tenr, teng.
4-letter words start with 'ten' (3)