There are 11 words that end with 'osises'.
| enosises | whosises | gaposises |
| kenosises | sorosises | ostosises |
| pyrosises | whoosises | alphosises |
| kurtosises | osteosises | |
Note: These 11 words that end with 'osises' are found from the USA & Canada version of the tournament Scrabble word list.