There are 17 words that end with 'ightly'.
| lightly | nightly | sightly |
| rightly | tightly | brightly |
| knightly | slightly | sprightly |
| unsightly | uprightly | midnightly |
| outrightly | straightly | downrightly |
| fortnightly | forthrightly | |
Note: These 17 words that end with 'ightly' are found from the USA & Canada version of the tournament Scrabble word list.