How do you spell Auxiliary?
Correct spelling
auxiliary
Remember: auXILiary has X-I-L in the middle, like 'extra help'
Why is auxiliary spelled this way?
The XIL combination in the middle is what trips people up. From Latin auxiliaris, meaning helpful. The word has kept its complex Latin spelling almost unchanged.
Common misspellings of auxiliary
auxilliaryauxilaryauxilleryauxillary
Example
The auxiliary verb 'have' is used to form perfect tenses in English.