The letter D, N, and P often stand for Drive, Neutral, and Park, but each of them can be followed by the same five letters, in the same order, to form common words that have nothing to do with a transmission. Can you determine what they are?

D _ _ _ _ _
N _ _ _ _ _
P _ _ _ _ _

HINT:
The five letters, when followed by an S, form a word often used - informally - to mean an abundance of things.

Answer:

The letters are OODLE:

DOODLE
NOODLE
POODLE

Credit: David Bunker
DELISTED LISTING SITE 

Note from JA: OODLE is a classified ads listing website.