headword vs remark

headword

noun
  • Any word which may be modified by an adjunct. 

  • A word used as the title of a section, particularly in a dictionary, encyclopedia, or thesaurus. 

remark

noun
  • An expression, in speech or writing, of something remarked or noticed; a mention of something 

  • make a remark 

  • A casual observation, comment, or statement 

  • An act of pointing out or noticing; notice or observation. 

verb
  • To express in words or writing; to state, as an observation. 

  • To make a remark or remarks on, to comment on (something). 

  • To pay heed to; notice; to take notice of, to perceive. 

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