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Noun suffixes
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distinguish
distinction
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reduce
reduction
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various
variety
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long (adj)
length
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deep (adj)
depth
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decide
decision
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arrange
arrangement
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vary
variation
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high (adj)
height
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grow (v)
growth
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identify
identification
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contribute
contribution
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require
requirement
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hot
heat
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solve
solution
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prefer
preference
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exist
existence
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prove (v)
proof
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recommend
recommendation
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expect
expectation
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maintain
maintenance
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believe (v)
belief
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disappear
disappearance
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choose
choice
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