harvest mite vs tumbler

harvest mite

noun
  • Any of various mites of the genus Trombicula that inhabit forests and grasslands and which, in their larval stage, attach to various animals including humans and feed on skin, often causing itching. 

tumbler

noun
  • The pupa of a mosquito. 

  • A beverage cup, typically made of stainless steel, that is broad at the top and narrow at the bottom commonly used in India. 

  • One of a set of levers from which the heddles hang in some looms. 

  • Something that causes (something else) to tumble. 

  • A piece attached to, or forming part of, the hammer of a gunlock, upon which the mainspring acts and in which are the notches for sear point to enter. 

  • A drinking glass that has no stem, foot, or handle — so called because such glasses originally had a pointed or convex base and could not be set down without spilling. This compelled the drinker to finish their measure. 

  • A rotating device for smoothing and polishing rough objects, placed inside it, on relatively small parts. 

  • A movable obstruction in a lock, consisting of a lever, latch, wheel, slide, or the like, which must be adjusted to a particular position by a key or other means before the bolt can be thrown in locking or unlocking. 

  • A variety of the domestic pigeon remarkable for its habit of tumbling, or turning somersaults, during its flight. 

  • A service that mixes potentially identifiable or 'tainted' cryptocurrency funds with others, so as to obscure the audit trail. 

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