alter [altered, altering, alters](to change the form or structure of) verb [UK: ˈɔːl.tə(r)] [US: ˈɒl.tər]The image was altered. = La imagen fue alterada.
tamper [tampered, tampering, tampers](alter by making unauthorized changes) verb [UK: ˈtæm.pə(r)] [US: ˈtæm.pər]