occlusion vs stasis

occlusion

noun
  • Anything that obstructs or closes a vessel or canal. 

  • An occluded front. 

  • The absorption of a gas or liquid by a substance such as a metal. 

  • A closure within the vocal tract that produces an oral stop or nasal stop. 

  • The blocking of the view of part of an image by another. 

  • The alignment of the teeth when upper and lower jaws are brought together. 

  • The process of occluding, or something that occludes. 

stasis

noun
  • A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls. 

  • Inactivity; a freezing, or state of motionlessness. 

  • A technology allowing something to be artificially frozen in time, so that it does not age or change. 

  • One of the sections of a cathisma or portion of the psalter. 

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