holm vs moor

holm

noun
  • Rich flat land near a river, prone to being completely flooded; a river-meadow; bottomland. 

  • Any small island, but especially one near a larger island or the mainland, sometimes with holly bushes; an islet. Often the word is used in Norse-influenced place-names. See also holme. 

  • A common evergreen oak of Europe, Quercus ilex; the holm oak. 

  • Small island, islet. 

  • An island in a lake, river or estuary; an eyot. 

moor

noun
  • An extensive waste covered with patches of heath, and having a poor, light soil, but sometimes marshy, and abounding in peat; a heath 

  • A game preserve consisting of moorland. 

verb
  • To fix or secure (e.g. a vessel) in a particular place by casting anchor, or by fastening with ropes, cables or chains or the like. 

  • To secure or fix firmly. 

  • To cast anchor or become fastened. 

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