lumber vs tiptoe

lumber

verb
  • To move clumsily and heavily; to move slowly. 

  • To fill or encumber with lumber. 

  • To heap together in disorder. 

  • To load down with things, to fill, to encumber, to impose an unwanted burden on. 

noun
  • An erect penis. 

  • Useless or cumbrous material. 

  • A baseball bat. 

  • Wood sawn into planks or otherwise prepared for sale or use, especially as a building material. 

tiptoe

verb
  • To walk quietly with only the tips of the toes touching the ground. 

noun
  • The tip of the toe. 

adj
  • Standing elevated, on or as if on the tips of one's toes. 

  • Moving carefully, quietly, warily or stealthily, on or as if on the tips of one's toes. 

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