There are 32 6-letter words that end with 'om'.
Note: These 32 6-letter words that end with 'om' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with oom, dom, tom, som, rom, lom, nom, com, mom, hom, iom, pom, xom, yom.
3-letter words end with 'om' (8)