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All answers having "Taps" as clue:

4 Character Answers:

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PATS

RAPS



5 Character Answers:

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OPENS



6 Character Answers:

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SIGNAL



7 Character Answers:

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FAUCETS

SPIGOTS



8 Character Answers:

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LASTPOST



9 Character Answers:

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LIGHTSOUT



10 Character Answers:

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BUGLECALLS



15 Character Answers:

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LIGHTSOUTMELODY

SHOEATTACHMENTS

WINECASKSPIGOTS