There are 15 words that end with 'lses'.
dulses | pulses | valses |
avulses | grilses | evulses |
appulses | divulses | expulses |
impulses | repulses | convulses |
aeropulses | ringhalses | peristalses |
Note: These 15 words that end with 'lses' are found from the USA & Canada version of the tournament Scrabble word list.