There are 14 words that end with 'ostats'.
| aerostats | cryostats |
| gyrostats | hemostats |
| pyrostats | rheostats |
| chemostats | coelostats |
| heliostats | hydrostats |
| hygrostats | photostats |
| thermostats | bacteriostats |
Note: These 14 words that end with 'ostats' are found from the USA & Canada version of the tournament Scrabble word list.