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C1 Word Formation (nouns)
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precise (noun)
precision
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psychology (noun)
psychologist
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depend (noun)
dependence
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renew (noun)
renewal
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altercate (noun)
altercation
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amazing (noun)
amazement
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optimist (noun)
optimism
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sober (noun)
sobriety
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signify (noun)
significance
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enter (noun)
entry
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simple (noun)
simplicity
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member (noun)
membership
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pay (noun)
payer or payee
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orate (noun)
orator
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useful (noun)
usefulness
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break (noun)
breakage
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populate (noun)
population
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likely (noun)
likelihood
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bored (noun)
boredom
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secret (noun)
secrecy
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close (noun)
closure
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