different between dabbles vs smatterer

English

dabbles

smatter +? -er

smatterer (plural smatterers)

One who smatters; one who dabbles in or experiments with a little bit of everything, especially knowledge.
- 1907, E.M. Forster, The Longest Journey, Part II, XX [Uniform ed., p. 201]:
  It’s easy enough to be a beak when you’re young and athletic, and can offer the latest University smattering. The difficulty is to keep your place when you get old and stiff, and younger smatterers are pushing up behind you.

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