different between picker vs ricker

English

From Middle English pikere, pykare, equivalent to pick +? -er.

picker (plural pickers)

Agent noun of pick; one who picks.
(computing, graphical user interface) Any user interface control that selects something.
(engineering) A machine for picking fibrous materials to pieces so as to loosen and separate the fibre.
(weaving) The piece in a loom that strikes the end of the shuttle and impels it through the warp.
(military) A priming wire for cleaning the vent, in ordnance.
(slang, gold panning) A fragment of gold smaller than a nugget but large enough to be picked up.
(historical) One who removes defects from and finishes electrotype plates.
(archaic) A pilferer.

rick +? -er

ricker (plural rickers)

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