This Couples from Harry Potter photo contains
business suit, dress suit, full dress, tailcoat, tail coat, tails, white tie, white tie and tails, suit, and suit of clothes.
There might also be
three piece suit and slack suit.
Harry Potter's canon, movie-canon & non-couples:
Couples in this video are Harry & Ginny, Ron & Hermione, Neville & Luna, James & Lily, Bill & Fleur, Remus & Tonks, Cedric & Cho, and many more couples
Fan-Video on Harry Potter's Canon, Movie-Canon and Non-Canon couples. Couples in this video are: Harry & Ginny, Ron & Hermione, Neville & Luna, James & Lily, Arthur & Molly, Remus & Tonks, Bill & Fleur, and other couples.