adjunct vs helping verb

adjunct

noun
  • A dispensable phrase in a clause or sentence that modifies its meaning. 

  • An unmalted grain or grain product that supplements the main mash ingredient. 

  • A constituent which is both the daughter and the sister of an X-bar. 

  • Symploce. 

  • One of a pair of morphisms which relate to each other through a pair of adjoint functors. 

  • A person associated with another, usually in a subordinate position; a colleague. 

  • A key or scale closely related to another as principal; a relative or attendant key. 

  • An appendage; something attached to something else in a subordinate capacity. 

adj
  • Added to a faculty or staff in a secondary position. 

  • Connected in a subordinate function. 

helping verb

noun
  • An auxiliary verb; a verb that accompanies the main verb in a clause. 

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