Top matchCommonかい改kai ざza んnNoun, Suru verb, Transitive verbalteration; falsification; faking私の同僚は報告書を改ざんした。My colleague doctored the report.Also written 改竄【かいざん】kaizanCopy Listen Conjugations Pitch on OJAD Explore
竄入ざんにゅうzannyuuNoun, Suru verb, Intransitive verbtaking refuge (in); running into · entering by mistake; being included by mistake