There are 13 words that end with 'olous'.
frivolous | variolous |
nidicolous | saxicolous |
arenicolous | calcicolous |
terricolous | unfrivolous |
collembolous | nonfrivolous |
cavernicolous | hemimetabolous |
holometabolous | |
Note: These 13 words that end with 'olous' are found from the USA & Canada version of the tournament Scrabble word list.