Contagious disease and Rubeola

Contagious disease noun - Any disease easily transmitted by contact.

Rubeola and contagious disease are semantically related. In some cases you can replace term "Rubeola" with "Contagious disease", this terms are similar.

Rubeola noun - An acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children.

Contagious disease and rubeola are semantically related. You can use "Contagious disease" instead a noun "Rubeola".