lemma vs system

lemma

noun
  • The outer shell of a fruit or similar body. 

  • One of the specialized bracts around the floret in grasses. 

  • The canonical form of an inflected word; i.e., the form usually found as the headword in a dictionary, such as the nominative singular of a noun, the bare infinitive of a verb, etc. 

  • A proposition proved or accepted for immediate use in the proof of some other proposition. 

  • The theoretical abstract conceptual form of a word, representing a specific meaning, before the creation of a specific phonological form as the sounds of a lexeme, which may find representation in a specific written form as a dictionary or lexicographic word. 

system

noun
  • A set of body organs having a particular function. 

  • A set of equations involving the same variables, which are to be solved simultaneously. 

  • A set of alters, or the multiple (“the individual with multiple personalities due to, for example, a dissociative personality disorder”) who contains them. 

  • Preceded by the word the: the mainstream culture, controlled by the elites or government of a state, or a combination of them, seen as oppressive to the individual. 

  • A set of staves linked by a brace that indicate instruments or sounds that are to be played simultaneously. 

  • A collection of organized things; a whole composed of relationships among its members. 

  • A planetary system; a set of planets orbiting a star or star system 

  • A set of rules for a tabletop roleplaying game. 

  • A comprehensive and logically organized set of propositions or philosophical beliefs. 

  • A method or way of organizing or planning. 

  • A set of hardware and software operating in a computer. 

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