There are 15 words that end with 'roned'.
droned | ironed | aproned |
throned | unironed | dethroned |
enthroned | environed | inthroned |
unthroned | chaperoned | gridironed |
squadroned | reenthroned | unchaperoned |
Note: These 15 words that end with 'roned' are found from the USA & Canada version of the tournament Scrabble word list.