1. Прилагательные
1.1. lonely
1.1.1. loneliness
1.2. quick
1.2.1. quickly
1.3. reliable
1.3.1. rely
1.3.2. reliably
1.3.3. unreliable
1.4. famous
1.4.1. fame
1.4.2. famously
1.5. possible
1.5.1. possibility
1.5.2. impossible
2. существительные
2.1. expense
2.1.1. expensive
2.1.1.1. expensively
2.1.1.2. inexpensive
2.2. enthusiast
2.2.1. enthusiasm
2.2.2. enthusiastic
2.3. comfort
2.3.1. comfortable
2.3.1.1. uncomfortable
2.3.2. comfortably
2.4. harm
2.4.1. harmful
2.4.2. harmless
2.5. patience
2.5.1. patient
2.5.2. impatient
2.6. speech
2.6.1. speaker
2.6.2. speechless
2.7. Europe
2.7.1. European
2.8. success
2.8.1. successful
2.8.1.1. successfully
2.8.1.2. unsuccessful
2.8.2. succeed
2.9. help
2.9.1. helpful
2.9.2. helpless
3. глаголы
3.1. create
3.1.1. creative
3.1.1.1. creatively
3.1.2. creator
3.1.3. creation
3.2. excite
3.2.1. exciting
3.2.1.1. unexciting
3.2.2. excitement
3.2.3. excited
3.3. explore
3.3.1. explorer
3.3.2. exploration
3.4. use
3.4.1. useless
3.4.1.1. uselessly
3.4.2. useful
3.4.2.1. usefully
3.5. frighten
3.5.1. fright
3.5.2. frightning
3.5.3. frightened
3.6. imagine
3.6.1. imagination
3.6.2. image
3.6.3. imaginative
3.7. accept
3.7.1. acceptable
3.7.1.1. unacceptable
3.8. differ
3.8.1. different
3.8.1.1. differently
3.8.2. difference
3.8.3. indifference
3.8.3.1. indifferent
3.9. live
3.9.1. life
3.9.2. lively
3.10. invent
3.10.1. inventor
3.10.2. invention
3.10.3. inventive
3.10.3.1. uninventive