This Frasier photo contains
business suit, suit, suit of clothes, and pinstripe.
There might also be
single breasted suit, slack suit, dress suit, full dress, tailcoat, tail coat, tails, white tie, and white tie and tails.
The clips are shown in the order they were posted. I've done my best to locate each clip but my apologies if I've missed any.
The series and episode from which each clip is taken is shown in the overlay at the lower left of screen.