leer vs look

leer

noun
  • A significant side glance; a glance expressive of some passion, as malignity, amorousness, etc.; a sly or lecherous look. 

  • The flank or loin. 

  • An arch or affected glance or cast of countenance. 

verb
  • To look sideways or obliquely; now especially with sexual desire or malicious intent. 

  • To entice with a leer or leers. 

look

noun
  • The action of looking; an attempt to see. 

  • A facial expression. 

  • Physical appearance, visual impression. 

verb
  • As a transitive verb, often in the imperative; chiefly takes relative clause as direct object. 

  • To make sure of, to see to. 

  • To look at a pitch as a batter without swinging at it. 

  • To give an appearance of being. 

  • To express or manifest by a look. 

  • To face or present a view. 

  • To expect or anticipate. 

  • As an intransitive verb, often with "at". 

  • To search for, to try to find. 

  • To appear, to seem. 

intj
  • Pay attention. 

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