vs
QUICK ANSWER
"Tengo hambre" is a phrase which is often translated as "I am hungry", and "tener sed" is an intransitive verb phrase which is often translated as "to be thirsty". Learn more about the difference between "tengo hambre" and "tener sed" below.
tengo hambre( 
tehng
-
goh
ahm
-
breh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. I am hungry 
Tengo hambre porque se me olvidó desayunar hoy.I am hungry because I forgot to eat breakfast today.
b. I'm hungry  (contracted form)
Tengo hambre y no hay nada de comer en casa.I'm hungry and there's nothing to eat at home.
tener sed( 
teh
-
nehr
sehd
)An intransitive verb phrase is a phrase that combines a verb with a preposition or other particle and does not require a direct object (e.g., Everybody please stand up.).
1. (general)
a. to be thirsty 
¿Me darías un vaso de agua? Tengo mucha sed.Would you give me a glass of water? I'm really thirsty.