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 a word or sentence that reads the same in both directions is "palindrome."
The term for saying a sentence in a different way but with the same meaning is "paraphrasing."
"Shizzle" is a slang term that originated from African American Vernacular English and is a variation of the word "shit." It is often used humorously or as a playful way to emphasize something.
The term for referring to the first of two things or persons mentioned in a sentence is "former."
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.
A battle of the bulge is a term used humorously to refer to an attempt to avert weight gain.
Usually refers to the Lingon berry but is an often misused term by cosmetic companies
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.
which term represents a compound
jail term for more than 5 years
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.
Fapp is an onomatopoeic slang term for masturbation.
Either a euphamism if it was in a sentence, or symbolism in a longer story.