When you use the word "Then" with an "e" in a sentence, it is talking about time (eg. He walked up to the door then turned the handle), and when you use the word "Than" in a sentence, it is talking about comparison (eg. Albert Einstein was smarter than many scientists.)
The word is correctly spelled supersede. However, common use of the spelling variant supercede in many cases exceeds the use of the original spelling. So it may be said that supersede has been superseded by supercede.Dating from Middle English, the spelling supercedenfollowed the French spelling with a C (as in precede) rather than the S form seen in Latin.
Yes, February is actually the correct spelling and you should use it.
That is the correct spelling of the word "multiple" (more than one, or a higher number).The correct spelling is multiple (more than one, many).
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The standards for the site call for the use of American spelling. In profiles no one is likely to care, and no one is going to get blocked or warned for use of British spelling.
spelling is more likely to remain constant than pronunciation.
Poor spelling is humiliating. Good spelling is expected.
The American spelling is apologize. The British sometimes use apologise.
The British spelling is "squash" and the American spelling is also "squash." Both countries use the same spelling for this word.
We use spelling whenever we read or write language. We use grammar whenever we speak, write, read or hear language.
Yes, that is the correct spelling of "inadequate" (not suited for use, or insufficient).
Niagara Falls is the correct spelling. (Notice the use of capital letters.)