different between redundantly vs supervacaneously

English

redundant +? -ly

redundantly (comparative more redundantly, superlative most redundantly)

supervacaneous +? -ly.

supervacaneously (comparative more supervacaneously, superlative most supervacaneously)

In a way that is supervacaneous; needlessly; redundantly; superfluously.
- 1879, William T, Harris, The Journal of Speculative Philosophy, Volume XIII,
  To Kant, the multiple connected with the house is quite as objective as the multiple connected with the ship ; but that he attributes to the category of quantity, and not, laboriously and supervacaneously, like Schopenhauer, to the various causal relations of the eye in movement.

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