Doragonrōdo no yoroi
'Lord Dragon' may be竜様 (ryuu-sama) in Japanese. This would be used by people of an inferior status when addressing their 'Lord Dragon'. Another translation for竜様 may be 'Master Dragon'.To say 'lord of the dragon(s)', one would sayç«œã®ä¸» (ryuu no shu).
The Japanese word for Dragon is "Ryuu"
鎧 Yoroi
Doragonfurūtsu
ドラゴンストライキ
Kagami Ryū
ryu-ken
'Kinzoku no ryuu'.
ryu no ha
ginryu
Doragon iki
to say dragon in Japanese is 龍 and it is read ryuu hope this helps :)