Arado Ar 76 (fighter)
"Heimatschutzjäger" - home defence fighter
Arado Ar 232 (battlezone transport)
"Tausendfüssler" - centipede (the a/c had numerous small wheels under the fuselage)
"Tatzelwurm"
Arado Ar 234 (turbojet reconnaissance plane/bomber, 1943)
Blitz - lightning
"Hecht" - pike (I haven't found any confirmation to this, but it could come from the Kdo. Hecht which was operating this type)
Arado Ar 234B-2/N (turbojet nightfighter)
Nachtigall - nightingale
Arado Ar 234B + Fieseler Fi 103 (turbojet missile carrier)
"Deichselschlepp" - shaft tow (for the configuration where the missile was towed behind the Ar 234 with a rigid shaft)
Arado Ar 234C + Fieseler Fi 103 (turbojet missile carrier)
"Startwagen" - starter cart (for the configuration where the missile was towed behind the Ar 234)
"Hukepack" - pickaback (for the configuration where the missile was carried atop the Ar 234)
Bücker Bü 133 (trainer)
Jungmeister - young champion
Bücker Bü 180 (trainer)
Student - student
Bücker Bü 181 (trainer)
Bestmann
Bücker Bü 182 (trainer)
Kornett - cornet
DFS 108-14 Schulgleiter SG 38 (glider)
training glider
DFS 108-30 (glider)
Kranich II - crane
DFS 108-49 (glider, 1932)
Grunau Baby
DFS 108-68 (glider, 1938)
Weihe - harrier
DFS 108-70 (glider, 1940)
Olympia - (gliding was planned to be a field at the 1940 Olympic Games)
Olympia-Meise - olympic titmouse (development of DFS Meise)
DFS 108-... Eon (glider)
DFS 108-... Habicht (glider, 1936)
hawk
DFS 108-... Kranich (glider, 1935)
crane
DFS 108-... Meise (glider, 1938)
titmouse
DFS 108-... Stummel-Habicht (glider)
stump hawk (clipped-wing version of the DFS Habicht)
Dornier Do 17Z-6 (night fighter)
Kauz - screech owl
Dornier Do 17Z-10 (night fighter)
Kauz II - screech owl II
Dornier Do 19 (long-range bomber)
"Uralbomber" - Ural bomber
Dornier Do 215B-6 (night fighter)
Kauz III - screech owl III
Dornier Do 335 (fighter)
Pfeil - arrow
"Ameisenbär" - aardvark
Dornier G I
Greif - griffon
Dornier H Falke
falcon
Dornier H Seefalke
sea falcon
Dornier J
Wal - whale
Dornier J II
Wal - whale
Dornier J IId
Militär-Wal - military whale
Dornier L1
Delphin I - dolphin I
Dornier L2
Delphin II - dolphin II
Dornier L3
Delphin III - dolphin III
Dornier R2
Superwal - superwhale
Dornier R4
Superwal - superwhale
Dornier Spatz
sparrow
Dr. Geest Möwe 4 (1913)
seagull
Dr. Hübner Mücke (1935)
gnat
EMW A 4 (ballistic missile)
Vergeltungswaffe-2 (V-2) - vengeance weapon 2 (nickname given by J. Goebbels)
EMW C 2 (AA missile)
Wasserfall - waterfall
EMW Taifun (missile)
typhoon
Etrich Limousine (~1925)
Etrich Taube (1910)
pigeon
Ferdinand Schulz F.S.3
Besenstiel
Fieseler F 1
Tigerschwalbe - tiger swallow?
Fieseler F 2
Tiger - tiger
Fieseler F 3
Wespe - wasp
Fieseler Fi 99
Jungtiger - young tiger
Fieseler Fi 103 (flying bomb)
FZG 76 (deceptive codename)
Kirschkern - cherry stone
Vergeltungswaffe-1 (V-1) - vengeance weapon 1 (nickname coined by J. Goebbels)
"Buzz Bomb" (Allied nickname)
"Doodlebug" (Allied nickname)
Nicknames applied to different configurations of carrier aircraft and Fieseler Fi 103 flying bomb:
"Deichselschlepp" - shaft tow (with Ar 234B)
"Hukepack" - pickapack (with Ar 234C)
"arasit" - parasite (with He 111H-22)
"Startwagen" - starter cart (with Ar 234C)
Focke-Wulf Fw 190D (fighter)
"Dora"
"Langsnasen-Dora" - long-nosed Dora
Focke-Wulf Fw 190D-9 (fighter)
"Dora-9"
Focke-Wulf Fw 190F-9 (anti-tank aircraft)
"anzerblitz" - tank lightning
Focke-Wulf Fw 191 (fast bomber)
"Fliegendes Kraftwerk" - flying power station (after its electrical control system)
Focke-Wulf Fw 200 (airliner and bomber)
Condor
Focke-Wulf Fw 200C (marine reconnaissance aircraft and bomber)
"Kur'yer" (Russian nickname) - courier
"Scourge of the Atlantic" (British nickname given by W. Churchill)
Fokker D VIII (fighter, 1918)
"Flying Razor" (British nickname)
Fokker Spinne (1910)
spider
FVA 10b Rheinland (glider, 1937)
Rhineland
Grunau 9 (glider, 1929)
Einheitsschulgleiter - standard training glider?
"Schädelspalter" - skull-splitter
Grunau Baby (DFS 108-49) (glider, 1932)
Heinkel He 45
"Möbelwagen" - furniture truck (referring to its massiveness)
"antechnicon" - (also referring to its massiveness)
"Pavo" (Spanish nickname)
Heinkel He 46
"Pava" (Spanish nickname)
Heinkel He 51
"Cadenas" (Spanish nickname)
Heinkel He 59
"Zapatone(s)" (Spanish nickname) - large shoe(s)
Heinkel He 70
Blitz - lightning
"Rayo" (Spanish nickname)
Heinkel He 72
Kadett - cadet
Heinkel He 72B-3
Edelkadett - leading cadet
Heinkel He 74 (fighter)
"Heimatschutzjäger" - home defence fighter
Heinkel He 111 (bomber)
"Doppel-Blitz" - double lightning (its design had been inspired by the He 70 but it was double-engined)
"Pedro" (Spanish nickname)
Heinkel He 111H-22 + Fieseler Fi 103 (missile carrier)
"Parasit" - parasite (the missile was carried under a wing of the He 111)
Heinkel He 111Z (glider tug and reconnaissance plane)
"Zwilling" - twin (two-fuselage a/c)
Heinkel He 177 (heavy bomber)
Greif - griffon
"Luftwaffenfeuerzeug" - cigarette lighter of the Luftwaffe (referring to the flammable engines?)
"Reichsfackel" - torch of the Reich
"Reichsfeuerzeug" - cigarette lighter of the Reich (referring to the flammable engines?)
Heinkel He 219 (night fighter)
Uhu - eagle owl
Heinkel P.1077
Julia - Juliett
Julia II - Juliett II
Romeo
all three were different versions
Junkers Ju 86 (airliner and bomber)
"Jumo" (Spanish nickname)
Junkers Ju 87 (dive bomber)
"Stuka" - dive bomber
"Stupido" (Spanish nickname) - stupid
"Picchiatello" (Italian nickname) - diving a/c; crazy, hit on the head
"Sitting Duck" (British nickname after the Battle of Britain)
"Nazi Hoax" (British nickname after the Battle of Britain)
"Lopata" - spade (Russian nickname)
Junkers Ju 87A (dive bomber)
"Anton"
Junkers Ju 87B (dive bomber)
"Bertha"
Junkers Ju 87D (dive bomber)
"Dora"
Junkers Ju 87G (anti-tank aircraft)
"Panzerknacker" - tank smasher
"Kanonenvogel" - cannon bird
Junkers Ju 88 (fast bomber a.o.)
"Dreifinger" - three-finger
Junkers Ju 188A (fast bomber a.o.)
Rächer - avenger
Junkers Ju 322 (flying wing transport glider)
Mammut - mammoth
Junkers Ju 352 (transport)
Herkules - Hercules
Junkers Ju 388 (fast bomber)
Hubertus
Junkers Ju 388J (fast bomber)
Störtebecker - a German 15th-century pirate
Messerschmitt (Blohm und Voss?) L10 Friedensengel (glide torpedo)
peace angel
Messerschmitt Libelle
dragonfly
Messerschmitt (Blohm und Voss?) L11 Schneewittchen
Snowwhite
Messerschmitt Rotorjet (project, 1966)
Mistel (composite aircraft)
Mistletoe
Beethoven-Gerät - Beethoven device (official code-name)
"Vater und Sohn" - father and son
"Hukepack" - hukepack
Mistel 5 (composite aircraft)
Mistletoe
"Führungsmaschine" - leading machine
arasit" - parasite (with He 111H-22)