There are 17 words that start with 'alar'.
| alar | alarm | alary |
| alarms | alarum | alarmed |
| alarums | alarming | alarmism |
| alarmist | alarumed | alarmable |
| alarmedly | alarmisms | alarmists |
| alaruming | alarmingly | |
Note: These 17 words that start with 'alar' are found from the USA & Canada version of the tournament Scrabble word list.