different between sparable vs spirable

English

From sparrowbill, in reference to its shape, like a sparrow's beak.

sparable (plural sparables)

A small headless nail used in making shoes (especially the heels).
- 1828, JT Smith, Nollekens and His Times, Century Hutchinson 1986, p. 183:
  [H]e was sometimes seen disputing with the cobbler, his opposite neighbour, about the charge of two-pence; and refusing to pay Crispin's demand, unless he put three or four more sparables in the heels of the shoes which he had mended twice before!

Latin spirabilis.

spirable (comparative more spirable, superlative most spirable)

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