Bitter almond is a common term used to describe a variety of almonds that have a bitter taste and contain a small amount of a toxic substance called amygdalin. However, there are several alternative words that can be used instead of bitter almond, including apricot kernel, wild almond, or persic oil. These synonyms are often used to refer to the same type of nut or oil that is derived from it. While they may differ in name, each of these options carries the same distinct taste and health properties of the original bitter almond. So if you want to bring a deeper flavor and health benefits to your cooking, try these synonyms for the bitter almond.