isolation vs union

isolation

noun
  • The state of being isolated, detached, or separated; the state of being away from other people. 

  • The separation of a patient, suffering from a contagious disease, from contact with others (compare: quarantine) 

  • The state of not having diplomatic relations with other countries (either with most or all other countries, or with specified other countries). 

  • The obtaining of an element from one of its compounds, or of a compound from a mixture 

  • The act of isolating. 

  • A database property that determines when and how changes made in one transaction are visible to other concurrent transactions. 

  • A Freudian defense mechanism in which a person suppresses a harmful thought from developing into a train of thought. 

union

noun
  • The state of being united or joined; a state of unity or harmony. 

  • An affiliation of several parishes for joint support and management of their poor; also the jointly-owned workhouse. 

  • That which is united, or made one; something formed by a combination or coalition of parts or members; a confederation; a consolidated body; a league. 

  • A data structure that can store any of various types of item, but only one at a time. 

  • The act of uniting or joining two or more things into one. 

  • A trade union; a workers' union. 

  • An association of students at a university for social and/or political purposes; also in some cases a debating body. 

  • A joint or other connection uniting parts of machinery, such as pipes. 

  • The act or state of marriage. 

  • The set containing all of the elements of two or more sets. 

verb
  • To combine sets using the union operation. 

adj
  • Belonging to, represented by, or otherwise pertaining to a labour union. 

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