vs
QUICK ANSWER
"Taxi" is a noun which is often translated as "el taxi", and "balloon" is a noun which is often translated as "el globo". Learn more about the difference between "taxi" and "balloon" below.
taxi(
tahk
-
si
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
1. (transport)
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
2. (aviation)
a. rodar por la pista 
The plane is still taxying, so we're waiting for them at the baggage claim.El avión aún está rodando por la pista, así que estamos esperándolos en la recogida de equipajes.
balloon(
buh
-
lun
)A noun is a word referring to a person, animal, place, thing, feeling, or idea (e.g., man, dog, house).
b. la bomba (F) (South America)
(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).
Regionalism used in South America: Argentina, Bolivia, Chile, Colombia, Ecuador, Paraguay, Peru, Uruguay, and Venezuela
We decorated the house with balloons for the party.Decoramos la casa con bombas para la fiesta.
c. la chimbomba (F) (El Salvador) (Nicaragua)
(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).
Regionalism used in El Salvador
Regionalism used in Nicaragua
They went to Managua to get balloons for the dance.Fueron a Managua a traer chimbombas para el baile.
d. la popa (F) (Nicaragua)
(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).
Regionalism used in Nicaragua
Daddy! They gave me a balloon at the party!¡Papi! ¡Me dieron una popa en la fiesta!
2. (aviation)
b. el aerostato (M)
(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).
He decided to travel the world by balloon.Decidió viajar alrededor del mundo en aerostato.
3. (printing)
a. el bocadillo (M)
(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).
The card showed a girl on a beach with a balloon over her head saying, "The only thing better is you."La tarjeta tenía una chica en la playa con un bocadillo sobre su cabeza que decía, "Lo único mejor eres tú".
An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
4. (to swell)