Final answer:
The incorrect use of a similar-sounding word with a different meaning is called a malapropism, which can be due to a misspelling or misunderstanding of the word. Homophones are often the culprit for such errors. Being vigilant about word meaning and spelling can mitigate such mistakes.
Step-by-step explanation:
The use of a word that sounds like the right word but is a different word altogether is known as a malapropism. This occurs when a word is replaced with a similar-sounding word, often with a completely different meaning, leading to confusion in communication. Such mistakes can arise due to a misspelling or a misunderstanding of the word's proper usage.
Homophones are words that sound the same but may have different spellings and meanings. These words are often confused with one another because they sound alike. An example of homophone confusion can be seen in the words "affect" and "effect," which sound similar but carry different meanings.
To avoid the incorrect use of words and ensure precise language, it's essential to be familiar with the vocabulary you use. Always verify the meaning and spelling of words if you are unsure, and use resources such as dictionaries to check for correct usage. It's also helpful to make a list of commonly confused words to reference when writing.