There are 15 words that end with 'pires'.
spires | aspires | empires |
expires | umpires | inspires |
respires | suspires | vampires |
conspires | perspires | acrospires |
reinspires | transpires | leptospires |
Note: These 15 words that end with 'pires' are found from the USA & Canada version of the tournament Scrabble word list.