designation vs name brand

designation

noun
  • That which designates; a distinguishing mark or name; distinctive title; appellation. 

  • Selection and appointment for a purpose or office; allotment; direction. 

  • signification, meaning, for example of a word or phrase. 

  • An act or instance of designating; a pointing out or showing; indication. 

name brand

noun
  • A trademark, or a distinctive name for a brand, or for a range of products by a single manufacturer 

  • A product having such a mark or name 

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