calque vs learned borrowing

calque

noun
  • A word or phrase in a language formed by word-for-word or morpheme-by-morpheme translation of a word in another language. 

verb
  • To adopt (a word or phrase) from one language to another by semantic translation of its parts. 

learned borrowing

noun
  • A word or other linguistic form borrowed from one language into another on purpose instead of through normal language contact, especially one from a classical language. 

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