This document defines and provides examples of different processes of word-formation, including:
- Borrowing words from other languages
- Compounding by joining words together
- Derivation by adding affixes to existing words
- Clipping by cutting parts of words
- Invention of new words
- Acronymy forming words from initials
- Backformation reducing words to new forms
- Reduplication repeating parts of words
- Echoism relating sound and meaning
- Antonomasia forming words from names
It discusses these processes with definitions and examples from sources on linguistics.