There are 13 14-letter words that end with 'rizing'.
| characterizing | demilitarizing |
| denuclearizing | depolymerizing |
| depressurizing | containerizing |
| contemporizing | copolymerizing |
| parameterizing | reflectorizing |
| remilitarizing | repopularizing |
| repressurizing | |
Note: These 13 14-letter words that end with 'rizing' are found from the USA & Canada version of the tournament Scrabble word list.