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"Normal" is an adjective which is often translated as "normal", and "regular" is an adjective which is often translated as "regular". Learn more about the difference between "normal" and "regular" below.
normal(
nor
-
muhl
)An adjective is a word that describes a noun (e.g., the big dog).
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
b. la normalidad 
Things are back to normal after the strike.Tras la huelga, las cosas han vuelto a la normalidad.
regular(
reh
-
gyuh
-
luhr
)An adjective is a word that describes a noun (e.g., the big dog).
a. regular 
After the accident, her pulse stayed regular.Tras el accidente, su pulso se mantuvo regular.
3. (habitual)
4. (standard)
A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
6. (client)
a. el cliente frecuente (M), la cliente frecuente (F)
(m) means that a noun is masculine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
(f) means that a noun is feminine. Spanish nouns have a gender, which is either feminine (like la mujer or la luna) or masculine (like el hombre or el sol).
One of our regulars left me a huge tip.Uno de nuestros clientes frecuentes me dejó una muy buena propina.