decile vs tenth

decile

noun
  • Any one of the ten subsets or groups so divided. 

  • An aspect or position of two planets when they are distant from each other a tenth part of the zodiac. 

  • Any of the values in a series that divides the distribution of individuals in that series into ten groups of equal frequency. 

tenth

noun
  • One of ten equal parts of a whole. 

  • The person or thing coming next after the ninth in a series; that which is in the tenth position. 

  • The interval between any tone and the tone represented on the tenth degree of the staff above it, as between one of the scale and three of the octave above; the octave of the third. 

  • A temporary aid issuing out of personal property, and granted to the king by Parliament; formerly, the real tenth part of all the movables belonging to the subject. 

adj
  • Being one of ten equal parts of a whole. 

  • The ordinal numeral form of ten; next in order after that which is ninth. 

verb
  • To divide by ten, into tenths. 

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