peek vs squint

peek

noun
  • A quick glance or look. 

verb
  • To look slyly, or with the eyes half closed, or through a crevice; to peep. 

  • To be only slightly, partially visible, as if peering out from a hiding place. 

squint

noun
  • A quick or sideways glance. 

  • An expression in which the eyes are partly closed. 

  • A hagioscope. 

  • A short look; a peep. 

  • The angle by which the transmission signal is offset from the normal of a phased array antenna. 

  • The look of eyes which are turned in different directions, as in strabismus. 

verb
  • To look or glance sideways. 

  • To be not quite straight, off-centred; to deviate from a true line; to run obliquely. 

  • To turn to an oblique position; to direct obliquely. 

  • To look with, or have eyes that are turned in different directions; to suffer from strabismus. 

  • To look with the eyes partly closed, as in bright sunlight, or as a threatening expression. 

  • To have an indirect bearing, reference, or implication; to have an allusion to, or inclination towards, something. 

adj
  • Looking obliquely; having the vision distorted. 

  • askew, not level 

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