There are 15 words that end with 'xion'.
axion | flexion | fluxion |
infixion | deflexion | connexion |
effluxion | inflexion | reflexion |
prefixion | suffixion | complexion |
crucifixion | transfixion | retroflexion |
Note: These 15 words that end with 'xion' are found from the USA & Canada version of the tournament Scrabble word list.