morpheme (n.)
- accidence
- affix
- affixation
- allomorph
- conjugation
- cutting
- declension
- derivation
- form
- formative
- icon
- infix
- inflection
- lexeme
- morph
- morphology
- morphophonemics
- paradigm
- phrase
- prefix
- prefixation
- radical
- root
- sign
- stem
- suffix
- suffixation
- symbol
- term
- theme
- token
- type
- word