I was wondering whether anyone knows the exact difference between the English suffixes -agenous and -aginous.

I believe the difference is that the first suffix has to do with describing the rough essence of what something is made up of from a physical or physics standpoint, whereas the second suffix seems more heard towards describing personal character.

However, I am not sure whether this is the right distinction. I would also like to know whether there is an online etymological dictionary resource which deals with, preferably exclusively, with such suffixes, prefixes, and possibly also infixes to the extent that infixes may exist in English (personally, I am not aware of any or never studied any in English).

Thank you for your feedback.

  • Some examples of words with your chosen suffixes would be a good part of your research to reproduce in the question. – Nigel J May 20 '18 at 10:45
  • 1
    The full OED has a listing for the suffix -genous, defined as Forming adjectives with the meaning: ‘of, pertaining to, or relating to generation or production’. It has no such entry for -ginous, and to be honest I don't think this is or ever was a "productive suffix" in English. The only words I know based on it are oleaginous and vertiginous. – FumbleFingers May 20 '18 at 11:54

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