A root word is an original word from which other words are derived.
The word bizz is the shortened form of the word business.
"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."
"Chat" is a shortened form of the word "chatter" which is from a middle English word meaning "to talk rapidly".
Apostrophe
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 budgerigar, or informally named budgie, is a native parakeet of Australia
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 'signor' is a shortened form of the word 'signore'. Both words are words in the Italian language. Either way, they mean sir, mister, gentleman.
A clipped word is a shortened version of a longer word or phrase, where one or more letters are removed from the original word. For example, "info" is a clipped word for "information" and "photo" is a clipped word for "photograph."
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.
A shortened word or words are commonly referred to as "abbreviations." These can include acronyms, where the initial letters of a phrase are used to create a new word (e.g., NASA), or initialisms, which are pronounced letter by letter (e.g., FBI). Other forms of shortening include contractions, such as "can't" for "cannot."
The word for a shortened form of a word is called a "contraction."