There are 14 words that end with 'sivity'.
| erosivity | passivity |
| emissivity | diffusivity |
| exclusivity | expansivity |
| impassivity | impulsivity |
| aggressivity | compulsivity |
| expressivity | regressivity |
| progressivity | transmissivity |
Note: These 14 words that end with 'sivity' are found from the USA & Canada version of the tournament Scrabble word list.