office vs roof

office

noun
  • A room, set of rooms, or building used for non-manual work 

  • Official position, particularly high employment within government; tenure in such a position. 

  • A daily service without the eucharist. 

  • A ministry or other department of government. 

  • The administrative departments housed in such places 

  • A particular place of business of a larger white-collar business. 

  • The daily service of the breviary, the liturgy for each canonical hour, including psalms, collects, and lessons. 

  • A duty, particularly owing to one's position or station; a charge, trust, or role; (obsolete, rare) moral duty. 

  • Inside information. 

  • Any special liturgy, as the Office for the Dead or of the Virgin. 

  • A service, a kindness. 

  • Last rites. 

  • A room, set of rooms, or building used for administration and bookkeeping. 

  • A collection of business software typically including a word processor and spreadsheet and slideshow programs. 

  • A room, set of rooms, or building used for consultation and diagnosis, but not surgery or other major procedures. 

  • The staff of such places. 

  • A room, set of rooms, or building used for selling services or tickets to the public. 

  • The authorized form of ceremonial worship of a church. 

  • A ceremonial duty or service 

  • Various prayers used with modification as a morning or evening service. 

  • A position of responsibility. 

verb
  • To provide (someone) with an office. 

  • To have an office. 

roof

noun
  • The top external level of a building. 

  • The external covering at the top of a building. 

  • The upper part of a cavity. 

  • An overhanging rock wall. 

  • The surface or bed of rock immediately overlying a bed of coal or a flat vein. 

verb
  • To cover or furnish with a roof. 

  • To traverse buildings by walking or climbing across their roofs. 

  • To put into prison, to bird. 

  • To shelter as if under a roof. 

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