Words change from formal to slang.
Adding affixes (prefixes or suffixes) to an existing word.
Two words are stuck together in their entirety to make a new word.
e.g. dragonfly = dragon and fly
Two words are moulded together to form a new word. Usually by sticking together the beginning of one word to the end of another.
E.g. brunch = breakfast and lunch.
Chopping a bit off the word. The clipped word then becomes the most used.
E.g. Influenza = Flu.
Changing a word class.
E.g. From a noun to a verb. Google = I googled it.
Maker lends their name to a product.
E.g. James Dyson created the Dyson vacuum cleaner.
Taking the initial letters of words and making them into a combination, pronounceable as a new word.
E.g. TARDIS - Time And Relative Dimension In Space.
Saying the individual letters.
Usually formed from brand names which become part of the language.
Least common as completely new words are rare.
Taking words from another language.
Changes in meaning over time
Meanings running alongside each other.
E.g. Gay= Happy and Homosexual
Words becoming more positive
Words become more negative
Meaning of a word becomes broader.
Meanings of a word get narrower over time.
Where it is believed Language Change is a negative thing. Set of rules needed to be enforced to ensure it is used properly.
Language change is a positive thing. Focuses on how and why changes occur.