powerlessness (English)
├── -ness (English)
└── powerless (English)
├── -less (English)
│ └── -leas (Old English (ca. 450-1100))
│ └── leas (Old English (ca. 450-1100))
└── power (English)
└── poer (Middle English (1100-1500))
└── poer (Old French (842-ca. 1400))
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