There are 19 words that end with 'yon'.
yon | anyon | rayon |
toyon | baryon | canyon |
crayon | pinyon | ronyon |
carryon | embryon | halcyon |
sabayon | tachyon | tardyon |
hypopyon | synkaryon | perikaryon |
heterokaryon | ||
Note: These 19 words that end with 'yon' are found from the USA & Canada version of the tournament Scrabble word list.