Hexose and Monosaccharide

Hexose noun - A monosaccharide that contains six carbon atoms per molecule.

Monosaccharide and hexose are semantically related. In some cases you can use "Monosaccharide" instead a noun "Hexose".

Monosaccharide noun - A sugar (like sucrose or fructose) that does not hydrolyse to give other sugars; the simplest group of carbohydrates.

Hexose and monosaccharide are semantically related. Sometimes you can replace term "Hexose" with "Monosaccharide", this nouns are similar.