linguistics1-8  Exercise 2: Classifying Meaning Change
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  (a) meat: "food" -> flesh        NARROWING (a wide sense became specific)
  (b) nice: "foolish" -> pleasant  AMELIORATION (more positive)
  (c) silly: "blessed" -> foolish  PEJORATION (more negative)
  (d) hound: "dog" -> hunting dog  NARROWING

An English word with two borrowed near-synonyms (any of these will do):

  help (Old English) / aid (French) / assist (Latin)
  ask (Old English) / question (French) / interrogate (Latin)
  begin (Old English) / commence (French) / initiate (Latin)

The French and Latin words tend to sound more formal, because they entered
the language through law, the church and learning.