A porch is part of the house. It is the structure in front of the building's entrance.
Parts of the structure of a house that start with the letter P might include:
nail
gears
nitro
Car parts that begin with the letter l:license plate holderlight bulbslocklow-beam headlightslug nuts
hat home house
igsots
shoulder
Alternator
ventricle
windpipe
Intestines
nail
motormirrorsmuffler
I don't know about the letter K, but the house for a horse is a stable.
Car parts that begin with the letter p:passenger seatpedalpistonpower brakespower steeringpower windows
Interior lights, instrument panel and ignition are car parts.
Dormitory is a type of structure. It begins with the letter d.