occlusion vs occlusive

occlusion

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

  • 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. 

  • 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. 

occlusive

noun
  • A phoneme produced by obstructing airflow in the vocal tract, but not necessarily in the nasal tract. 

  • A product that forms a protective film and traps moisture against the skin. 

adj
  • That tends to occlude. 

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