mean vs purpose

mean

verb
  • To intend, to plan (to do); to have as one's intention. 

  • To be of some level of importance. 

  • To have as intentions of a given kind. 

  • To intend an ensuing comment or statement as an explanation.https://www.lexico.com/en/definition/i_mean%20I%20mean 

  • To cause or produce (a given result); to bring about (a given result). 

  • Of a word, symbol etc: to have reference to, to signify. 

  • To have conviction in (something said or expressed); to be sincere in (what one says). 

  • Of a person (or animal etc): to intend to express, to imply, to hint at, to allude. 

  • To intend (something) for a given purpose or fate; to predestine. 

  • To lament. 

  • To convey (a given sense); to signify, or indicate (an object or idea). 

noun
  • The middle part of three-part polyphonic music; now specifically, the alto part in polyphonic music; an alto instrument. 

  • Something which is intermediate or in the middle; an intermediate value or range of values; a medium. 

  • The average of a set of values, calculated by summing them together and dividing by the number of terms; the arithmetic mean. 

  • Any function of multiple variables that satisfies certain properties and yields a number representative of its arguments; or, the number so yielded; a measure of central tendency. 

  • Either of the two numbers in the middle of a conventionally presented proportion, as 2 and 3 in 1:2=3:6. 

  • A method or course of action used to achieve some result. 

adj
  • Intending to cause harm, successfully or otherwise; bearing ill will towards another. 

  • Low in quality or degree; inferior; poor; shabby. 

  • Having the mean (see noun below) as its value; average. 

  • Disobliging; pettily offensive or unaccommodating. 

  • Ungenerous; stingy; tight-fisted. 

  • Accomplished with great skill; deft; hard to compete with. 

  • Of a common or low origin, grade, or quality; common; humble. 

  • Of little value or worth; worthy of little or no regard; contemptible; despicable. 

  • Powerful; fierce; strong. 

  • Without dignity of mind; destitute of honour; low-minded; spiritless; base. 

  • Difficult, tricky. 

purpose

verb
  • To have or set as one's purpose or aim; resolve to accomplish; intend; plan. 

  • To have (an) intention, purpose, or design; to intend; to mean. 

noun
  • meaning for existing or doing something. 

  • Resolution; determination. 

  • Function, role. 

  • The end for which something is done, is made or exists. 

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