patronage vs underlay

patronage

verb
  • To support by being a patron of. 

  • To be a regular customer or client of; to patronize 

noun
  • The act or state of being a customer of some business. 

  • Customers collectively; clientele; business. 

  • A communication that indicates lack of respect by patronizing the recipient; condescension; disdain. 

  • The right of nomination to political office. 

  • Granting favours or giving contracts or making appointments to office in return for political support. 

  • The right of presentation to church or ecclesiastical benefice; advowson. 

  • Guardianship, as of a saint; tutelary care. 

  • The act of providing approval and support; backing; championship. 

underlay

verb
  • To provide a support for something; to raise or support by something laid under. 

  • To lay (something) underneath something else; to put under. 

  • To put a tap on (a shoe). 

  • simple past tense of underlie 

  • To incline from the vertical. 

noun
  • A piece of paper pasted under woodcuts, stereotype plates, etc. in a form, to bring them up to the necessary level for printing. 

  • Lyrics; or more specifically, the way in which lyrics are assigned to musical notes. 

  • Anything that is underlaid. 

  • A layer (of earth, etc.) that lies under another; substratum. 

  • A soft floor covering that lies under a carpet. 

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