There are 5 12-letter words that end with 'rms'.
| cabbageworms | electroforms | homoiotherms |
| ostracoderms | retransforms | |
Note: These 5 12-letter words that end with 'rms' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with orms, erms, arms, irms.
4-letter words end with 'rms' (1)