The difference between Flugelhorn and Saxhorn

When used as nouns, flugelhorn means a brass instrument resembling a cornet but with a wider, conical bore, and usually with three valves, in the same b-flat pitch as many trumpets and cornets but with a more deeply conical mouthpiece than those. a bugle with valves, whereas saxhorn means any of a group of similar brass instruments, resembling a bugle in shape, but with valves.

check bellow for the other definitions of Flugelhorn and Saxhorn