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All answers having "Cleans" as clue:

4 Character Answers:

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MOPS

RUBS



5 Character Answers:

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BEATS

DUSTS

SWABS

WIPES



6 Character Answers:

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ERASES

MOPSUP

SCOURS

TIDIES



7 Character Answers:

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VACUUMS

WIPESUP



8 Character Answers:

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SWEEPSUP