concern vs thing

concern

noun
  • The placement of interest or worry on a subject. 

  • The expression of solicitude, anxiety, or compassion toward a thing or person. 

  • That which affects one’s welfare or happiness. A matter of interest to someone. 

  • A worry; a sense that something may be wrong; an identification of a possible problem. 

  • A business, firm or enterprise; a company. 

  • Any set of information that affects the code of a computer program. 

verb
  • To engage by feeling or sentiment; to interest. 

  • To relate or belong to; to have reference to or connection with; to affect the interest of; to be of importance to. 

  • To make somebody worried. 

thing

noun
  • A problem, dilemma, or complicating factor. 

  • A public assembly or judicial council in a Germanic country. 

  • A unit or container, usually containing edible goods. 

  • Corporeal object. 

  • That which is considered to exist as a separate entity, object, quality or concept. 

  • A romantic relationship. 

  • Alternate form of ting. 

  • One's typical routine, habits, or manner. (Used in possessive constructions.) 

  • Used after a noun to refer dismissively to the situation surrounding the noun's referent. 

  • A genuine concept, entity or phenomenon; something that actually exists (often contrary to expectation or belief). 

  • An individual object or distinct entity. 

  • That which is favoured; personal preference. (Used in possessive constructions.) 

  • A living being or creature. 

  • A penis. 

  • Whatever can be owned. 

  • Girl; attractive woman. 

  • Clothes, possessions or equipment. 

  • That which matters; the crux. 

  • A romantic couple. 

  • A word, symbol, sign, or other referent that can be used to refer to any entity. 

verb
  • To express as a thing; to reify. 

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