How to spell SUMATION correctly?

"Summation" is the correct spelling for the word. It refers to the act of adding up or summing up a series of numbers or values. Other possible correct suggestions for the misspelling "sumation" might include "summation", "summery" or "summing-up."

• sedation The dentist gave me sedation to help me relax during the procedure.
• station I will stop at the gas station to fill up my car.
• suasion I'm going to use my suasion to get him to change his mind.
• suction
• summation After the summation of all the evidence, the jury could come to a verdict.

Ponnies

• panniers
• pennies
• peonies
• pones
• ponies