proofs

any factual evidence that helps to establish the truth of something;
a formal series of statements showing that if one thing is true something else necessarily follows from it
a measure of alcoholic strength expressed as an integer twice the percentage of alcohol present (by volume)
(printing) an impression made to check for errors
a trial photographic print from a negative
the act of validating; finding or testing the truth of something
make or take a proof of, such as a photographic negative, an etching, or typeset
knead to reach proper lightness;
read for errors;
activate by mixing with water and sometimes sugar or milk;
make resistant (to harm);

proofs is a valid Scrabble (US) TWL word

proofs is a valid Scrabble Word in Merriam-Webster MW Dictionary

proofs is a valid Scrabble Word in International Collins CSW Dictionary

proofs is a valid Words With Friends word