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All answers having "Something to eat" as clue:

4 Character Answers:

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BITE

FOOD

GRUB

MEAL



5 Character Answers:

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SCONE

SNACK

VIAND



7 Character Answers:

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ALIMENT

CRACKER

OATCAKE

PRETZEL



9 Character Answers:

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COLDSALAD

FOODSTUFF



10 Character Answers:

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COMESTIBLE



11 Character Answers:

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HORSDOEUVRE



15 Character Answers:

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APPLEPIEALAMODE