[AstroJunk (Jonathan)]

Originally Posted by erick

"The English pronunciation of the name Pleiades depends on the speaker.

• US: /ˈpliː.ədiːz/ plee-ə-deez or sometimes /ˈpleɪ.ədiːz/ play-ə-deez
• UK: /ˈplaɪ.ədiːz/ ply-ə-deez
• Canadian English: /ˈpleɪ.ədiːz/ play-ə-deez"

Go with the Japaneese: Subaru. Much easier