There are 15 words that end with 'oirs'.
coirs | noirs | choirs |
devoirs | memoirs | boudoirs |
couloirs | pissoirs | sautoirs |
abattoirs | mouchoirs | peignoirs |
voussoirs | antechoirs | reservoirs |
Note: These 15 words that end with 'oirs' are found from the USA & Canada version of the tournament Scrabble word list.