Metaplasms:

• aphaeresis
  The omission of a syllable or letter at the beginning of a word.
• apocope
  The omission of a letter or syllable at the end of a word
• asyndeton
  The omission of conjunctions between clauses.
• brachylogia
  The absence of conjunctions between single words.
• ellipsis
  Omission of a word or short phrase easily understood in context.
• ecthlipsis
  The omission of letters or syllables for the sake of poetical meter.
• synaloepha
  Omitting one of two vowels which occur together at the end of one word and the beginning of another.
• synaeresis
  When two syllables are contracted into one.
• syncope
  Cutting letters or syllables from the middle of a word.