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B2 WORD FORMATION
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exist (make a noun)
existence
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advise (make both nouns)
advisor, advice
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compare (make a noun)
comparison
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intend (make a noun)
intention
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know (make a noun)
knowledge
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adjust (make a noun)
adjusment
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confusion (make a verb)
confuse
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feeling (make a verb)
feel
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appear (make a noun)
appearance
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investigation (make a verb)
investigate
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approval (make a verb)
approve
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agreement (make a verb)
agree
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assessment (make a verb)
assess
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behave (make a noun)
behavio(u)r
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preference (make a verb)
prefer
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qualify (make a noun)
qualification
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respond (make both nouns)
response, responsibility
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demand (make a noun)
demand
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develop (make a noun)
developer, development
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involvement (make a verb)
involve
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