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absence (adverb)
absently
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rigor (adv.)
rigorously
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regularity (adv)
regularly
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regular (n)
regularity
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difficulty (adjective)
difficult
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existence (adjective)
existing
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rigorous (n)
rigor
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examine (adj)
examined/examining
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increase (adverb)
increasingly
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Choice (verb)
Choose
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Existence (verb)
exist
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good (adv)
well
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examine (n)
examination
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increase (adjective)
increased/increasing
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increase (noun)
increase
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