hi! you might be interested in responses here

• What was the difference between The Nazi Schutzstaffel and Wehrmacht?

• What was the difference between the Nazis, Wehrmacht, and Schutzstaffel?

... and these posts, which are tangentially related

• As a part of the German war machine, how (if at all) did the Waffen-SS work alongside the Wehrmacht and how did relations between the two develop through WW2?

• Did rivalries between different organisations (such as the Wehrmacht and the Waffen-SS) negatively effect the Third Reich's war effort?