There are 13 words that end with 'roning'.
droning | ironing | aproning |
throning | dethroning | enthroning |
environing | inthroning | unthroning |
chaperoning | gridironing | squadroning |
reenthroning | ||
Note: These 13 words that end with 'roning' are found from the USA & Canada version of the tournament Scrabble word list.