This describes the output files for the BioWordlists project. These files are ancillary data for other text mining projects. Each file is a tab-delimited file with one term per line. The first column is a unique ID. The second column is the main name of the term. The third column is a pipe-delimited set of the synonyms for this term (including the main term). terms_genes.tsv: This is a list of all human genes with synonyms. The first column is the HUGO gene ID. It includes an additional fourth column is the Entrez gene ID. Genes are built using the NCBI Gene resource with synonyms from the UMLS Metathesaurus. terms_drugs.tsv: This is a list of all drugs from the WikiData resource. It also includes some more general terms and inhibitors terms for all genes in the gene list. terms_cancers.tsv: This is a list of specific cancer types from the Disease Ontology. General cancer terms have been removed and synonyms added from the UMLS Metathesaurus. terms_variants.tsv: Common mutations, aberrations and other 'omic events that may occur to a gene, especially in the cancer setting. terms_conflicting.tsv: Several common biomedical terms that are easily confused with other useful concepts. An examples is "Cox Regression". This list is used to identify these to reduce ambiguity. terms_proteins.tsv: Human protein names from UniProt with synonyms.