Cosegregate is a word that means to segregate together, typically used in biology or genetics. Some synonyms for cosegregate include co-occur, co-inherit, co-assort, and co-segregate. Co-occur refers to the tendency of certain genetic traits to occur together or alongside each other. Co-inherit pertains to the inheritance of traits from parents and the likelihood of these traits being passed on together. Co-assort means to group or assort together, usually based on common traits or characteristics. Co-segregate applies to the way certain traits or characteristics are inherited together in offspring due to their close association with each other in the parent organism.