There are 18 words that end with 'tend'.
tend | attend | extend |
intend | bartend | distend |
contend | mistend | portend |
pretend | protend | subtend |
coattend | coextend | repetend |
overextend | hyperextend | superintend |
Note: These 18 words that end with 'tend' are found from the USA & Canada version of the tournament Scrabble word list.