Affect
Affect verb - To act upon (a person or a person's feelings) so as to cause a response.
Usage example: their son claims that scary movies don't affect him in the least
Upset is a synonym for affect in influence topic. In some cases you can use "Upset" instead a verb "Affect", when it comes to topics like emotionally move.
Upset
Common collocations
Both words in one sentence
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To Quinn's credit, he eventually realizes that he's judged Pierce unfairly and is upset that he's let his personal feelings affect his judgement.
Source: Fanfic / Blood and Honor -
In reality, at best it might give him some light nausea or an upset stomach, it doesn't affect brain chemistry!
Source: Comic Book / Carnage
Cite this Source
Upset and Affect. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/affect/upset
Affect & Upset. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/affect/upset>.
Upset or Affect. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/affect/upset.
Google Ngram Viewer shows how "affect" and "upset" have occurred on timeline