Mass vs continuant

Mass

noun
  • The principal liturgical service of the Church, encompassing both a scripture service (Liturgy of the Word) and a eucharistic service (Liturgy of the Eucharist), which includes the consecration and oblation (offering) of the host and wine. 

  • A similar ceremony offered by a number of Christian churches. 

  • A musical composition set to portions of the Mass. 

continuant

noun
  • An endurant. 

  • A determinant formed from a tridiagonal matrix. 

  • A linguistic sound other than a stop. 

adj
  • Continuing; prolonged; sustained. 

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