SYN: Turn, series, order, succession, revolution, course, reversion, recurrence.

ANT: Simultaneity, perpetuity, constancy, non-intermittence, contemporaneousness.

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KEY: Rotten, [See PUTRID].

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KEY: Rotundity.

SYN: Roundness, convexity, circularity, sphericity, globosity, prominence, protuberance, intumescence.

ANT: Concavity, flatness, angularity.

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KEY: Rough.