Suffixes are a letter or group of letters added to the ending of a root word, they can change their meaning or function. there are a list of several common suffixes among which it is possible to highlight the suffix -y, whose meaning is "made up of or characterized by"
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Bearing in mind the described before, by studying the suffix of the example provided, fallacy, readers could conclude that it means made up of fallacies or mistaken beliefs.
