May I Take That?

Q:  


Take the word nostril and the word pepper.  Change one letter and rearrange the result to name two descriptive terms that are at opposite ends of the spectrum.

Photo courtesy of

olillevik

A:

The title is something you may hear at a hotel, perhaps by a bellhop.  Bellhop is largely an American term.  The image, 99 BOB on the wall, came from Flickr.  Change a P to an R and rearrange to get:

Pilsner  and  Porter