different between unracked vs uncracked

English

unracked

unracked (not comparable)

Not racked.
- 1929, Philip Morton Shand, A Book of Other Wines - Than French (page 130)
  The wine, which is made in August, is left on its lees unracked for at least a year.

From un- +? cracked.

uncracked (not comparable)

Not cracked (in various senses)
- 1851, Herman Melville, Moby-Dick
  Oh! ye three unsurrendered spires of mine; thou uncracked keel; and only god-bullied hull; thou firm deck, and haughty helm, and Pole-pointed prow,—death-glorious ship! must ye then perish, and without me?

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