There are 12 words that end with 'yll'.
| idyll | ghyll |
| argyll | cataphyll |
| mesophyll | cladophyll |
| microphyll | sporophyll |
| chlorophyll | xanthophyll |
| megasporophyll | microsporophyll |
Note: These 12 words that end with 'yll' are found from the USA & Canada version of the tournament Scrabble word list.