flax vs lather

flax

noun
  • A plant of the genus Linum, especially Linum usitatissimum, which has a single, slender stalk, about a foot and a half high, with blue flowers. Also known as linseed, especially when referring to the seeds. 

  • The flax bush, a plant of the genus Phormium, native to New Zealand, with strap-like leaves up to 3 metres long that grow in clumps. 

  • The fibers of Linum usitatissimum, grown to make linen and related textiles. 

lather

noun
  • A state of agitation. 

  • The foam made by rapidly stirring soap and water. 

  • Foam from profuse sweating, as of a horse. 

verb
  • To form lather or froth, as a horse does when profusely sweating. 

  • To cover with lather. 

  • To beat or whip. 

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