different between reacher vs reaches

English

reach +? -er

reacher (plural reachers)

A person who reaches.
- 1985, Gordon Williams, Macbeth: text and performance (page 17)
  In their own lives they would not be reachers after crowns, and knew it.
A device used to reach something.
A sail, a kind of asymmetrical spinnaker.
- 2005, J. Howard Williams, Love at First Sight: A Lifetime of Sailing on Galveston Bay
  Each tack was only for 100 yards and now we had the right sail while they had reachers.
(obsolete) An exaggeration.
- I can hardly believe that Reacher, which another writeth of him, that “with the palms of his hands he could touch his knees, though he stood upright"

reaches

reaches pl (plural only)

The extreme limits
If we look to the nether reaches of the list, we find some anomalies.

reaches

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