QUICK ANSWER
"Rubéola" is a form of "rubéola", a noun which is often translated as "German measles". "Sarampión" is a noun which is often translated as "measles". Learn more about the difference between "rubéola" and "sarampión" below.
la rubéola(
rroo
-
beh
-
oh
-
lah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (medicine)
a. German measles
Mi hija contrajo rubéola porque no tenía la vacuna.My daughter contracted German measles because she wasn't vaccinated.
b. rubella (technical)
A word or phrase that is only used by experts, professionals, or academics in a particular field (e.g., exposition).
El sarpullido que tiene el bebé en el cuello es uno de los síntomas de la rubéola.The rash on the baby's neck is one of the symptoms of rubella.
el sarampión(
sah
-
rahm
-
pyohn
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).