Play word 忠義一徹 忠義一徹 ちゅうぎいってつ staunch (steadfast, single-hearted) in one's devotion to his master (lord)
Play word 忠義一途 忠義一途 ちゅうぎいちず staunch (steadfast, single-hearted) in one's devotion to his master (lord)
Play word 同音異義 同音異義 どうおんいぎ homophony (having the same pronunciation as another word but a different meaning)