There are 15 words that end with 'ayable'.
sayable | payable |
playable | slayable |
swayable | assayable |
decayable | delayable |
repayable | unsayable |
defrayable | unplayable |
displayable | nonrepayable |
immunoassayable | |
Note: These 15 words that end with 'ayable' are found from the USA & Canada version of the tournament Scrabble word list.