As English and Spanish share a number of words with the same Latin root, which means it can be quite easy to understand certain words, for example:
Alcohol, Brutal, Chocolate, Debate, Error, General, Hotel, Informal, Kilo, Legal, Mango, Normal, Oriental, Panorama, Rural, Triple, Universal.
However, there are other words which look the same but in reality have a totally different meaning. These false friends can cause problems. For example, embarrassed means "vergüenza" and "pregnant" means "embarazada"!
Here is a list of common false friends: