loofah vs swill

loofah

verb
  • To clean or scrub with a loofah. 

noun
  • Any bathing sponge 

  • A tropical vine, of the genus Luffa, having almost cylindrical fruit with a spongy, fibrous interior; the dishcloth gourd 

  • The dried fibrous interior used as a sponge for bathing 

swill

verb
  • To wash (something) by flooding with water. 

  • To move (a liquid or liquid-filled vessel) in a circular motion. 

  • To feed swill to (pigs). 

  • To drink (or, rarely, eat) greedily or to excess. 

  • To move around or over a surface. 

noun
  • Inexpensive beer or alcohol. 

  • A mixture of solid and liquid food scraps fed to pigs etc; especially kitchen waste for this purpose. 

  • A badly-thrown pass. 

  • Any disgusting or distasteful liquid. 

  • Anything disgusting or worthless. 

  • A large quantity of liquid drunk at one swallow. 

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