MORPHEME

root morpheme
Free morphemes can function independently as words (e.g. town, dog) and can appear within lexemes (e.g. town hall, doghouse).
Bound morphemes appear only as parts of words, always in conjunction with a root and sometimes with other bound morphemes.
- Cranberry morpheme
- Zero-bound-morpheme
- Derivational bound morphemes
  - Derivational morphemes, when combined with a root, change the semantic meaning or the part of speech of the affected word.
    - from an adjective (happy) to a noun (happiness)
    - -tion, -sion, -tive, -ation, -ible,
- Inflectional bound morphemes
  - Inflectional morphemes modify the tense, aspect, mood, person, or number of a verb or the number, grammatical gender, or case of a noun, adjective, or pronoun without affecting the word's meaning or class (part of speech).
    - -ing.
  - functional morphemes, also sometimes referred to as functors