When is one used instead of the other?

Is there a reason to use one or the other? Or is just two words that can be used without problems?

  • -1 and voted to close as general reference, it was in the first dictionary via Google: thefreedictionary.com/_/dict.aspx?word=reflexion
    – Hugo
    Nov 16, 2011 at 21:36
  • While I undertand that both are the same word with different spellings, I like to think of reflections as contemplations, while reflexions seem more like spontaneous responses.
    – user25597
    Sep 2, 2012 at 2:13

2 Answers 2


Reflexion is used in British English to mean reflection. It is seldom used these days.


The same word, two spellings. Oxford English Dictionary...

The spelling reflection is now much commoner than reflexion in all uses, probably largely as a result of association with reflect v.; compare also flexion n., connection n., etc. N.E.D. (1905 ) notes that the spelling reflexion was then ‘still common in scientific use, perhaps through its connexion with reflex’.

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