vs
QUICK ANSWER
"Should" is an auxiliary verb which is often translated as "deber", and "I would like" is a phrase which is often translated as "me gustaría". Learn more about the difference between "should" and "I would like" below.
should(
shood
)An auxiliary verb, or helper verb, is a conjugated verb that comes before a main verb and determines the main verb's tense, mood, or aspect (e.g., I have gone.).
I would like(
ay
wood
layk
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)