The term you're looking for is "malapropism," which is the incorrect use of a word in place of a similar-sounding word resulting in a nonsensical or humorous statement.
No, the term "digital mail" should not be capitalized in a sentence unless it is at the beginning of a sentence or included in a title.
The term for saying a sentence in a different way but with the same meaning is "paraphrasing."
The term for a word or sentence that reads the same in both directions is "palindrome."
The term for referring to the first of two things or persons mentioned in a sentence is "former."
Since the word 'term' is a common noun, you only capitalize it if at the start of a sentence or part of a name/title.
Sure! Here's a sentence with a misused word: "She has a real good understanding of the concept." The term "real" should be replaced with "really" for correct usage, making it: "She has a really good understanding of the concept." Misusing "real" as an adverb instead of "really" is a common mistake in informal speech.
The term 'freedom fighters' can be easily misused. Let's evacuate the town before the freedom fighters get here.
A banana-bender is a term used humorously in Australia for an inhabitant of Queensland.
Usually refers to the Lingon berry but is an often misused term by cosmetic companies
A battle of the bulge is a term used humorously to refer to an attempt to avert weight gain.
The term Aryan is used of a group of Indo-European languages. It does not denote a race or ethnic group, but was misused in that sense already in the 1880s.
jail term for more than 5 years
which term represents a compound
A millabite is a fictional unit of measurement that represents a very small quantity, often used humorously or in speculative contexts. The term does not have a standard definition in scientific literature and is not recognized in formal measurement systems. It may appear in discussions or writings that involve playful or exaggerated descriptions of small sizes or amounts.
Wholesale is the satep in the sales chain between manufacturer and the person who sells to the public - the retailer. But the term gets abused and misused.
The "TERM" of your sentence.
Either a euphamism if it was in a sentence, or symbolism in a longer story.