There are 15 words that end with 'alts'.
alts | halts | malts |
salts | exalts | smalts |
basalts | cobalts | desalts |
asphalts | gestalts | oxysalts |
persalts | oversalts | stringhalts |
Note: These 15 words that end with 'alts' are found from the USA & Canada version of the tournament Scrabble word list.