Threshold vs Threshhold: Which Spelling Is Correct?

Threshold vs Threshhold

When you’re writing about a limit, starting point, doorway, or point of change, one spelling can make all the difference: threshold or threshhold. These two forms look almost identical, which makes the mistake easy to miss. However, only one belongs in standard English. The correct spelling is threshold. The spelling threshhold is incorrect and represents … Read more

Successful vs Successfull: Which Spelling Is Correct?

Successful vs Successfull

Successful and successfull look almost identical at first glance. Both seem to come from the word success, and the extra l in successfull may seem logical because the standalone word full contains two ls. However, only one spelling is correct in standard English. The correct spelling is successful. Successfull is a common misspelling. It incorrectly … Read more

Schedule vs Shedule: Which Spelling Is Correct?

Schedule vs Shedule

If you’ve ever typed “shedule” instead of “schedule,” you’re not alone. This spelling mistake often happens because people write the word the way they hear it. In some English accents, schedule sounds like “shed-yool,” which makes the spelling shedule seem logical at first glance. However, standard English has only one correct spelling for the word: … Read more

Relevant vs Relevent: Which Spelling Is Correct?

Relevant vs Relevent

If you’ve ever paused while writing the word relevant, you’re not alone. Many English learners and native speakers occasionally write relevent instead. The two spellings look almost identical, and their pronunciation doesn’t always make the difference obvious. However, only one spelling is correct in standard English. The correct spelling is relevant. Relevent is a common … Read more

Questionnaire vs Questionaire: Which Spelling Is Correct?

Questionnaire vs Questionaire

When you’re writing about surveys, research, customer feedback, or data collection, one spelling mistake can quietly slip into an otherwise polished document. Questionnaire vs Questionaire is a perfect example. The two forms look almost identical, and the difference is only one letter. Still, that single n determines whether the spelling is correct. The correct spelling … Read more