Following are all the upstairs like words, in the list below.
UP THE STAIRS
100% like upstairs
ON A HIGHER FLOOR
100% like upstairs
IN THE HEAD
100% like upstairs
IN THE MIND
100% like upstairs
STOREY
100% like upstairs
STAIRWELL
99.99% like upstairs
DECK
99.99% like upstairs
STAIRS
99.99% like upstairs
FLOOR
99.99% like upstairs
TRESTLE
99.98% like upstairs
ALOFT
99.93% like upstairs
ABOVE
99.92% like upstairs
TOP
99.9% like upstairs
RIDE
99.89% like upstairs
CLIMB
99.88% like upstairs
UPWARDS
99.87% like upstairs
HIGH
99.84% like upstairs
UPPER
99.83% like upstairs
INSTALL
99.79% like upstairs
DOWN
99.76% like upstairs
OVER
99.71% like upstairs
THERE
99.67% like upstairs
YONDER
99.61% like upstairs
DOWNSTAIRS
66.72% like upstairs
BASEMENT
66.72% like upstairs
HALLWAY
66.72% like upstairs
ROOM
66.72% like upstairs
BEDROOM
66.72% like upstairs
ATTIC
66.72% like upstairs
HALL
66.72% like upstairs
FOYER
66.72% like upstairs
LOFT
66.72% like upstairs
STOREROOM
66.72% like upstairs
ALCOVE
66.72% like upstairs
LOUNGE
66.72% like upstairs
STAIRCASE
66.72% like upstairs
DOORWAY
66.72% like upstairs
KITCHEN
66.72% like upstairs
WORKROOM
66.72% like upstairs
COCKLOFT
66.72% like upstairs
ANTEROOM
66.72% like upstairs
HOUSE
66.72% like upstairs
BACKSTAIRS
66.72% like upstairs
STAIRWAY
66.72% like upstairs
PLAYROOM
66.72% like upstairs
BREEZEWAY
66.72% like upstairs
BATHROOM
66.72% like upstairs
COURTYARD
66.72% like upstairs
ENTRESOL
66.72% like upstairs
ADJOINING
66.72% like upstairs
CELLAR
66.72% like upstairs
BUNKROOM
66.72% like upstairs
MEZZANINE
66.72% like upstairs
LIVINGROOM
66.72% like upstairs
GROUNDFLOOR
66.72% like upstairs
BEDROOMS
66.72% like upstairs
CUBBYHOLE
66.72% like upstairs
PORCH
66.72% like upstairs
COATROOM
66.72% like upstairs
APARTMENT
66.72% like upstairs
ROOMS
66.72% like upstairs
DOOR
66.72% like upstairs
OUTSIDE
66.72% like upstairs
BALCONY
66.72% like upstairs
CARPETLESS
66.72% like upstairs
CUPBOARD
66.72% like upstairs
SUNPORCH
66.72% like upstairs
VESTIBULE
66.72% like upstairs
DININGROOM
66.72% like upstairs
HALLWAYS
66.72% like upstairs
SUBBASEMENT
66.72% like upstairs
CLUBROOM
66.72% like upstairs
PARLOUR
66.72% like upstairs
ATRIUM
66.72% like upstairs
INSIDE
66.72% like upstairs
DAYROOM
66.72% like upstairs
GARAGE
66.72% like upstairs
OVERDOOR
66.72% like upstairs
ELEVATORED
66.72% like upstairs
MULTI-STOREY
66.72% like upstairs
LOFTED
66.72% like upstairs
WALK-UP
66.72% like upstairs
UPTOWN
66.72% like upstairs
UPSTAIRS-DOWNSTAIRS
66.72% like upstairs
OVERGROUND
66.72% like upstairs
UNDERFLOOR
66.72% like upstairs
UNDERSTAIR
66.72% like upstairs
SPLIT-LEVEL
66.72% like upstairs
DOUBLE-DECK
66.72% like upstairs
GROUND-FLOOR
66.72% like upstairs
DOWNSTAIR
66.72% like upstairs
PENTHOUSED
66.72% like upstairs
MIDFLOOR
66.72% like upstairs
OVERBED
66.72% like upstairs
SKYLIT
66.72% like upstairs
STORIED
66.72% like upstairs
SUBTEGULANEOUS
66.72% like upstairs
UNDERROOF
66.72% like upstairs
DUPLEX
66.72% like upstairs
OVERHOUSE
66.72% like upstairs
UPSTAIR
0% like upstairs
