There are 11 words that end with 'viral'.
| viral | nonviral | proviral | 
| subviral | antiviral | arboviral | 
| myxoviral | adenoviral | decemviral | 
| retroviral | enteroviral | |
Note: These 11 words that end with 'viral' are found from the USA & Canada version of the tournament Scrabble word list.