The Collaborative International Dictionary of English v.0.48:

Swink \Swink\, v. i. [imp. Swank, Swonk; p. p. Swonken; p.
   pr. & vb. n. Swinking.] [AS. swincan, akin to swingan. See
   Swing.]
   To labor; to toil; to salve. [Obs. or Archaic]
   [1913 Webster]

         Or swink with his hands and labor.       --Chaucer.
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         For which men swink and sweat incessantly. --Spenser.
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         The swinking crowd at every stroke pant "Ho." --Sir
                                                  Samuel
                                                  Freguson.
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WordNet (r) 3.0 (2006):

swank
    adj 1: imposingly fashionable and elegant; "a swank apartment"
           [syn: swank, swanky]
    n 1: elegance by virtue of being fashionable [syn: chic,
         chicness, chichi, modishness, smartness,
         stylishness, swank, last word]
    v 1: display proudly; act ostentatiously or pretentiously; "he
         showed off his new sports car" [syn: flaunt, flash,
         show off, ostentate, swank]