Inspite of what the AE dictionary could say, I think I might spell them "shyer" and "shyest" as well. provides both of those spellings in AE, so I'll select the "y" Model.It's noticeable what this means if X is whiter/blacker than Y: white and black are extremes you may go to. But what on earth is a redder vehicle? Could it be a brighter pink, or m