There are 8 13-letter words that end with 'lous'.
| autocephalous | cavernicolous |
| microphyllous | enterocoelous |
| entomophilous | overcredulous |
| thermophilous | zygodactylous |
Note: These 8 13-letter words that end with 'lous' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ulous, alous, ilous, llous, olous, elous, ylous, blous, rlous.
6-letter words end with 'lous' (1)