Why don't you use real German names?
Troop types for Prussia
Infantry
Miltia - Landwehr or even Landsturm
Musketeer's - Musketiere
Hussars - Hussaren
4-pounders
Howitzer's
Sword Musketeer's
(1800)Officer unit
(1800)Jaguers - Jäger
(1800)Fuliser's - Füsilier
(1801)Silesian Schuetzen - Schleßische Schützen (?)
Cavalry
Landwehr - was there a militia cavalry?
Uhlans - Ulanen
(1800)Garde du Corps - Gardecorps
Cannons
(1800)6 pounders
(1800)12 pounders
(1800)Howitzers