different between retreating vs withdrawing

English

retreating

retreating (plural retreatings)

The act of moving back from something; a retreat.
- 1837, Thomas Carlyle, Henry Duff Traill, The French Revolution: A History (volume 3, page 229)
  But of the marchings and retreatings of these Six-thousand no Xenophon exists. Nothing, but an inarticulate hum, of cursing and sooty frenzy, surviving dubious in the memory of ages!

withdrawing

withdrawing (plural withdrawings)

withdrawal
- 1870, Patrick Barry, Wealth and Poverty considered (page 143)
  The first gold transaction, to four-fifths of its amount, would be by direct withdrawings of coin or bullion from the Bank of England.

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