There are 17 words that end with 'alous'.
| jealous | zealous |
| petalous | sepalous |
| anomalous | apetalous |
| cephalous | tantalous |
| unzealous | acephalous |
| scandalous | overzealous |
| sympetalous | gamopetalous |
| polypetalous | autocephalous |
| deuteranomalous | |
Note: These 17 words that end with 'alous' are found from the USA & Canada version of the tournament Scrabble word list.