How to spell CETRAIN correctly?

If you meant to write "certain", a possible correct suggestion is to add the letter "t". Another suggestion is to check for typos and make sure your fingers are typing the correct letters. Using spell check or a dictionary can also help ensure that your spelling is correct.

• certain
• restrain
• retrain I should retrain my brain to think more creatively.
• strain I have been feeling a strain on my eyes from staring at the computer screen all day.
• terrain The hilly terrain made it difficult to travel by foot.
• train I am taking the train to my next destination.

Attenttion

• attention
• attentions
• attenuation
• inattention