How to spell COMMERNCE correctly?

If you meant "commerce", then check the spelling. However, if it's an actual term, consider if you mean "commencement" or "commendation".

• commence The school will commence classes next week.
• Commenced Construction on the new building commenced last year and is expected to be completed by the end of this year.
• commences
• commerce E-commerce has revolutionized the way we shop and do business.

Contempories

• contemporaneous
• contemporaries
• contemporary
• contemptuous
• cotemporaries