soundly (English)
├── -ly (English)
│ ├── -lice (Old English (ca. 450-1100))
│ └── -ly (Middle English (1100-1500))
└── sound (English)
├── sound (Middle English (1100-1500))
├── sounden (Middle English (1100-1500))
│ └── sonder (Old French (842-ca. 1400))
└── sund (Old English (ca. 450-1100))
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