Synonyms of the word 
CHANGEFULNESS → CHANGEABILITY - CHANGEABLENESS - INCONSTANCY
changefulness
- n. Propensity to change.
changeability
- n. The quality of being changeable; changeableness.
changeableness
- n. the condition of being changeable.
- n. the condition of being able to suffer some changes.
inconstancy
- n. Lack of constancy; lack of consistency in thought, emotion or action.
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