Examples:
shops
should
take
back
unsatisfactory
goods
her
performance
proved
to
be
unsatisfactory
life
is
becoming
increasingly
unsatifactory
our
discussion
was
very
unsatisfactory
unsatisfactory (English)
├── satisfactory (English)
└── un- (English)
├── on- (Middle English (1100-1500))
│ ├── on- (Old English (ca. 450-1100))
│ └── ond- (Old English (ca. 450-1100))
├── un- (Middle English (1100-1500))
│ └── un- (Old English (ca. 450-1100))
└── unus (Latin)
└── oinos (Latin)
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