There are 9 12-letter words that start with 'sens'.
| sensibleness | sensitometer | sensitometry | 
| sensorimotor | sensualistic | sensualities | 
| sensualizing | sensuosities | sensuousness | 
Note: These 9 12-letter words that start with 'sens' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words start with sensi, sensu, sensa, sense, senso.
5-letter words start with 'sens' (2)