lect vs regionalism

lect

noun
  • A specific form of a language or language cluster: a language or a dialect. 

regionalism

noun
  • A word or phrase originating in, characteristic of, or limited to a region. 

  • Affection, often excessive, for one's own region and to everything related to it. 

  • The belief that most or nearly all political power should be decentralized to regional governments. 

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