mimic vs tweak

mimic

verb
  • To imitate, especially in order to ridicule. 

  • To take on the appearance of another, for protection or camouflage. 

noun
  • An imitation. 

  • A comic who does impressions. 

  • An entity that mimics another entity, such as a disease that resembles another disease in its signs and symptoms; see the great imitator. 

  • A mime. 

adj
  • Imitative; characterized by resemblance to other forms; applied to crystals which by twinning resemble simple forms of a higher grade of symmetry. 

  • Pertaining to mimicry; imitative. 

  • Mock, pretended. 

tweak

verb
  • To tease, to annoy; to get under the skin of (someone, typically so as to irritate them, or by extension to enamor, frighten, etc). 

  • To pinch and pull with a sudden jerk and twist; to twitch. 

  • To exhibit extreme nervousness, evasiveness when confronted by authorities, compulsiveness, erratic motion, excitability, etc, due to or mimicking the symptoms of methamphetamine abuse. 

  • To adjust slightly; to fine-tune. 

  • To abuse methamphetamines, especially crystal meth. 

noun
  • A sharp pinch or jerk; a twist or twitch. 

  • An additional input to a block cipher, used in conjunction with the key to select the permutation computed by the cipher. 

  • A slight adjustment or modification. 

  • Trouble; distress; tweag. 

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