Well, the word "shortened" says it all.
Acronyms. initials like NASA for National Aeronautic & Space Adninistration , or abbreviations, like temp , for temperature.
A root word is an original word from which other words are derived.
The word bizz is the shortened form of the word business.
Apostrophe
"Cha-cha" is the same in French as in English.Specifically, the French word is a masculine noun. Its singular definite article "le" means "the." In both languages, the noun is a loan word whose form is shortened from the original "cha-cha-cha."
To use a word in such a way is said to be 'figurative', speaking figuratively.
A contraction is a shortened word. Examples include I'll instead of I will and don't instead of do not. An abbreviation is also a shortened word. Examples include St. for street and Mon. for Monday.
The two words that have been shortened and joined together are Micro and Scope
Oft is not a shortened word. Often is a lengthened word. The original word is oft and the form often did not appear until about a century before Shakespeare's day. They are, of course, the same word and mean the same thing.
The word "they're is pronounced grammatically correct. It is the shortened version of the words "they are".
The word 'signor' is a shortened form of the word 'signore'. Both words are words in the Italian language. Either way, they mean sir, mister, gentleman.
The word they've is a contraction, or a shortened form of two words: they have. The word they is a pronoun because it is a word that can stand for a noun. The word have is a verb.
An abbreviated (or shortened) word for advertisement is 'ad'.
The word pun is the shortened version of the word paranomasia. The word paranomasia basically means a play on words that can have two different meanings.
The word "they're is pronounced grammatically correct. It is the shortened version of the words "they are".
An abbreviation is a shortened form of a word of phrase used mainly to make writing longer words easier. There is no abbreviation for the word accountant.
Unabridged audiobooks are the complete book -- word for word as the author wrote it. Abridged audio books are shortened versions of the original book. Typically, the original author must approve abridged versions.
Legit is the shortened form of legitimate. Other words are, Lawful, rightful, reasonable and just