parting vs unity

parting

noun
  • The surface of the sand of one section of a mould where it meets that of another section. 

  • A joint or fissure, as in a coal seam. 

  • The dividing line formed by combing the hair in different directions; part (US) 

  • The separation and determination of alloys; especially, the separation, as by acids, of gold from silver in the assay button. 

  • A farewell, the act of departing politely. 

  • The breaking, as of a cable, by violence. 

  • Lamellar separation in a crystallized mineral, due to some other cause than cleavage, as to the presence of twinning lamellae. 

  • The act of parting or dividing; the state of being parted; division; separation. 

unity

noun
  • Any of the three classical rules of drama: unity of action (nothing should be admitted not directly relevant to the development of the plot), unity of place (the scenes should be set in the same place), and unity of time (all the events should be such as might happen within a single day). 

  • The peculiar characteristics of an estate held by several in joint tenancy. 

  • The form of consensus in a Quaker meeting for business which signals that a decision has been reached. In order to achieve unity, everyone who does not agree with the decision must explicitly stand aside, possibly being recorded in the minutes as doing so. 

  • Agreement; harmony. 

  • A single undivided thing, seen as complete in itself. 

  • Oneness; the state or fact of being one undivided entity. 

  • The number 1 or any element of a set or field that behaves under a given operation as the number 1 behaves under multiplication. 

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