arbor
bay
belvedere
bower
carrel
conservatory
corner
cove
cranny
cubby
cubbyhole
cubicle
gazebo
glasshouse
greenhouse
inglenook
kiosk
lathhouse
niche
nook
oriel
pagoda
pergola
pitchhole
recess
recession
retreat
roomlet
snuggery
summerhouse
carrell
stall
archway
bedroom
booth
cavern
chamber
closet
compartment
courtyard
doorway
foyer
hallway
parlor
passageway
porch
staircase
vault
vestibule