Verbs

(v)falsify, distort, garble, warpmake false by mutilation or addition; as of a message or story
(v)fudge, manipulate, fake, falsify, cook, wangle, misrepresenttamper, with the purpose of deception“Fudge the figures”, “cook the books”, “falsify the data”
(v)falsifyprove false“Falsify a claim”
(v)falsifyfalsify knowingly“She falsified the records”
(v)interpolate, alter, falsifyinsert words into texts, often falsifying it thereby