Carb and Carbohydrate

Carbohydrate and carb are semantically related. In some cases you can replace term "Carbohydrate" with "Carb", this words are similar.

Carbohydrate noun - An essential structural component of living cells and source of energy for animals; includes simple sugars with small molecules as well as macromolecular substances; are classified according to the number of monosaccharide groups they contain.

Carb and carbohydrate are semantically related. (American) Sometimes you can replace term "Carb" with "Carbohydrate", this nouns are similar. colloquial substitute