There are 10 words that start with 'defol'.
| defoliant | defoliate | defoliants |
| defoliated | defoliates | defoliator |
| defoliating | defoliation | defoliators |
| defoliations | ||
Note: These 10 words that start with 'defol' are found from the USA & Canada version of the tournament Scrabble word list.