There are 14 words that start with 'sene'.
sene | seneca | senega |
senecas | senecio | senegas |
senecios | senescent | seneschal |
senescence | seneschals | senectitude |
senescences | senectitudes | |
Note: These 14 words that start with 'sene' are found from the USA & Canada version of the tournament Scrabble word list.