slink vs tiptoe

slink

verb
  • To sneak about furtively. 

  • To give birth to an animal prematurely. 

adj
  • Thin; lean 

noun
  • The meat of such a prematurely born animal. 

  • A thievish fellow; a sneak. 

  • A furtive sneaking motion. 

  • The young of an animal when born prematurely, especially a calf. 

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 slink and tiptoe occurred in a corpus of books? (source: Google Ngram Viewer )