hypostasis vs sustention

hypostasis

noun
  • The underlying reality or substance of something. 

  • The effect of one gene preventing another from expressing. 

  • A relationship between a name and a known quantity, as a cultural personification (i.e. objectification with personality) of an entity or quality. 

  • The essential person, specifically the single person of Christ (as distinguished from his two ‘natures’, human and divine), or of the three ‘persons’ of the Trinity (sharing a single ‘essence’). 

  • Postmortem lividity; livor mortis; suggillation. 

  • A sedimentary deposit, especially in urine. 

  • Referring to the hypostatic model of personality; i.e., asserting that humans present themselves in many different aspects or hypostases, depending on the internal and external realities they relate to, including different approaches to the study of personality. 

sustention

noun
  • sustentation 

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