comorbiditynoun [ U ]
uk/ˌkəʊ.mɔːˈbɪd.ə.ti//ˌkoʊ.mɔːrˈbɪd.ə.t̬i/specializedthe fact that people who have a disease or condition also have one or more other diseases or conditions:
The study suggests that there may be greater comorbidity between the two conditions than has been acknowledged.