different between philandering vs taxonomy

English

philandering

philandering (plural philanderings)

The action of one who philanders.
- 1893, George Bernard Shaw, The Philanderer
  She wont be convinced by anything short of it; because, you see, I've had some tremendous philanderings before, and have gone back to her after them.

Borrowed from French taxonomie. Surface analysis taxo- +? -nomy.

taxonomy (countable and uncountable, plural taxonomies)

The science or the technique used to make a classification.
A classification; especially, a classification in a hierarchical system.
(taxonomy, uncountable) The science of finding, describing, classifying and naming organisms.

taxonomics
(science of finding, describing, classifying and naming organisms): alpha taxonomy

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