measles vs rubeola

measles and rubeola both are nouns.

Word	Noun	Adjective	Verb	Adverb
measles	Yes	No	No	No
rubeola	Yes	No	No	No

As nouns, measles and rubeola are synonyms defined as:

measles and rubeola: an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children

Other synonyms of measles include morbilli.

measles (noun)	rubeola (noun)
an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children	an acute and highly contagious viral disease marked by distinct red spots followed by a rash; occurs primarily in children