There are 11 words that end with 'soever'.
| soever | howsoever | 
| whosoever | whatsoever | 
| whensoever | whomsoever | 
| wheresoever | whichsoever | 
| whosesoever | whencesoever | 
| whithersoever | |
Note: These 11 words that end with 'soever' are found from the USA & Canada version of the tournament Scrabble word list.