fragment vs portion

fragment

noun
  • A part broken off; a small, detached portion; an imperfect part, either physically or not 

  • An incomplete portion of code. 

  • A sentence not containing a subject or a predicate. 

  • A portion of a URL referring to a subordinate resource or anchor (such as a specific point on a web page), introduced by the # sign. 

verb
  • To break apart. 

  • To break up and disperse (a file) into non-contiguous areas of a disk. 

  • To cause to be broken into pieces. 

portion

noun
  • That which is divided off or separated, as a part from a whole; a separated part of anything. 

  • An allocated amount. 

  • One's fate; lot. 

  • A wife's fortune; a dowry. 

  • The part of an estate given or falling to a child or heir; an inheritance. 

verb
  • To divide into amounts, as for allocation to specific purposes. 

  • To endow with a portion or inheritance. 

How often have the words fragment and portion occurred in a corpus of books? (source: Google Ngram Viewer )