This document outlines 12 common word formation processes in English: 1) coinage, 2) borrowing, 3) compounding, 4) blending, 5) clipping, 6) acronyms, 7) abbreviations, 8) backformation, 9) conversion, 10) paired word sound play, 11) scale change, and 12) multiple processes. It provides examples to illustrate each process and notes that most words are formed through combining multiple processes.