decade vs hour

decade

noun
  • A series of prayers counted on a rosary, typically consisting of an Our Father, followed by ten Hail Marys, and concluding with a Glory Be and sometimes the Fatima Prayer. 

  • Any of the sets of ten sequential braille characters with predictable patterns. 

  • A group, set, or series of ten 

  • A period of ten days, (history) particularly those in the ancient Egyptian, Coptic, and French Revolutionary calendars. 

  • A period of ten years , particularly such a period beginning with a year ending in 0 and ending with a year ending in 9. 

  • A set of resistors, capacitors, etc. connected so as to provide even increments between one and ten times a base electrical resistance. 

  • The interval between any two quantities having a ratio of 10 to 1. 

  • A set of ten electronic devices used to represent digits. 

hour

noun
  • The set times of prayer, the canonical hours, the offices or services prescribed for these, or a book containing them. 

  • A season, moment, or time. 

  • The time. 

  • Used after a two-digit hour and a two-digit minute to indicate time. 

  • A time period of sixty minutes; one twenty-fourth of a day. 

  • A distance that can be traveled in one hour. 

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