A particular type of reduction, favored in Australian and British English. A longer word is reduced to a single syllable. -y or –ie is added to the end
Is not very common in English. The invention of totally new terms. Typical sources are trade names for commercial products that become general terms for any version of that product.
Set of ordinary nouns, adjectives and verbs which carry the 'content' on messages we convey. We can add new lexical morphemes to the language rather easily, so they are treated as an “open” class of words
Set that consists largely of functional words in the language such as conjunctions, prepositions, articles, pronouns. We almost never add functional morphemes to the language, they describe as a “closed” class od words.