There are 12 13-letter words that end with 'eous'.
| camphoraceous | consentaneous |
| heterogeneous | miscellaneous |
| mucocutaneous | inhomogeneous |
| instantaneous | porcellaneous |
| proteinaceous | stercoraceous |
| subcoriaceous | subterraneous |
Note: These 12 13-letter words that end with 'eous' are found from the USA & Canada version of the tournament Scrabble word list.
Also see words end with ceous, neous, teous, geous, reous, seous, ueous, meous, veous, beous, deous, leous.
5-letter words end with 'eous' (1)