There are 12 words that end with 'orizer'.
| aphorizer | colorizer | memorizer | 
| theorizer | vaporizer | authorizer | 
| deodorizer | glamorizer | temporizer | 
| allegorizer | decolorizer | extemporizer | 
Note: These 12 words that end with 'orizer' are found from the USA & Canada version of the tournament Scrabble word list.