Behavior
Behavior noun - The way or manner in which one conducts oneself.
Mannerisms and behavior are semantically related. In some cases you can use "Mannerisms" instead a noun "Behavior".
Mannerisms
Behavior and mannerisms are semantically related. Sometimes you can use "Behavior" instead a noun "Mannerisms".
Both words in one sentence
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Their entire racial fluff is about how they are eternal children, full of hope, innocence, wonder and optimism, and so they never fall into evil behavior or mannerisms.
Source: Incorruptible Pure Pureness -
Creepy Child: Some of Flyora's behavior and mannerisms at the beginning of the movie seem unnatural if not somewhat eerie.
Source: Film / Come and See -
The "UnMan" looks human, but his behavior and mannerisms are just enough off to creep Ransom the hell out.
Cite this Source
Mannerisms and Behavior. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/behavior/mannerisms
Behavior & Mannerisms. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/behavior/mannerisms>.
Mannerisms or Behavior. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/behavior/mannerisms.
Google Ngram Viewer shows how "behavior" and "mannerisms" have occurred on timeline