different between dreggy vs preggy

English

dreg +? -y

dreggy (comparative dreggier, superlative dreggiest)

Containing dregs or lees; muddy; foul.
- 1837 June, Horticulture, The American Quarterly Review: March and June 1837, Volume XXI, page 376,
  In the third place, I truly esteem those that are pretty much perfumed and well scented, though I do not care that this perfection should be enclosed in a pulp that is extremely hard and full of dreggy matter, as the amadotte, the citron, and the great winter musk pears.
- 2008, Rob Love, A Ballad of Love and War, iUniverse, page 185,
  It was now dark and Heath found himself walking into the dreggiest part of town.

pregnant +? -y

preggy (not comparable)

(slang) Pregnant (carrying a baby).
- 1958, Doris Lessing, A Ripple From the Storm, HarperPerennial 1995, p. 137:
  ‘Well, Matty, it's like this. I'm preggy.’

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