Following are all the upstairs-downstairs like words, in the list below.
UNDERSTAIR
100% like upstairs-downstairs
UPSTAIR
100% like upstairs-downstairs
UPSTAIRS
99.99% like upstairs-downstairs
DOWNSTAIR
99.99% like upstairs-downstairs
SPLIT-LEVEL
99.98% like upstairs-downstairs
INTERDOMESTIC
99.98% like upstairs-downstairs
SOCIOFUGAL
99.98% like upstairs-downstairs
INTERHOUSE
99.97% like upstairs-downstairs
DOWNSTAIRS
99.97% like upstairs-downstairs
DOUBLE-DECK
99.96% like upstairs-downstairs
BACKROOM
99.96% like upstairs-downstairs
INTEROFFICE
99.96% like upstairs-downstairs
INTERLEADING
99.95% like upstairs-downstairs
SEGREGATED
99.95% like upstairs-downstairs
INTERDORMITORY
99.94% like upstairs-downstairs
LIVE-IN
99.94% like upstairs-downstairs
INTERROOM
99.94% like upstairs-downstairs
HOUSEHOLDING
99.93% like upstairs-downstairs
HOUSEHOLD
99.93% like upstairs-downstairs
IN-HOME
99.92% like upstairs-downstairs
WALK-UP
99.92% like upstairs-downstairs
UPTOWN
99.92% like upstairs-downstairs
BEDROOMED
99.91% like upstairs-downstairs
DOWN-HOME
99.91% like upstairs-downstairs
DEMISING
99.9% like upstairs-downstairs
MULTI-STOREY
99.9% like upstairs-downstairs
TOP SECRET
99.9% like upstairs-downstairs
SUBTEGULANEOUS
99.89% like upstairs-downstairs
UPPER
99.89% like upstairs-downstairs
ENSUITE
99.88% like upstairs-downstairs
NEXT-DOOR
99.88% like upstairs-downstairs
CLOSET
99.88% like upstairs-downstairs
UNDERGROUND
99.87% like upstairs-downstairs
IN HOUSE
99.87% like upstairs-downstairs
PERIDOMESTIC
99.86% like upstairs-downstairs
MULTIROOMED
99.86% like upstairs-downstairs
STORIED
99.86% like upstairs-downstairs
DUOLOCAL
99.85% like upstairs-downstairs
EN SUITE
99.85% like upstairs-downstairs
LOFTED
99.84% like upstairs-downstairs
INTERCOMMUNICATING
99.84% like upstairs-downstairs
MULTIHOUSE
99.84% like upstairs-downstairs
SEMIPRIVATE
99.83% like upstairs-downstairs
DOMESTIC
99.83% like upstairs-downstairs
IN-DOORS
99.82% like upstairs-downstairs
ROOM
99.82% like upstairs-downstairs
MULTIDWELLING
99.82% like upstairs-downstairs
COHOUSED
99.81% like upstairs-downstairs
ELEVATORED
99.81% like upstairs-downstairs
DUPLEX
99.8% like upstairs-downstairs
ROOMSOME
99.8% like upstairs-downstairs
CLOSETED
99.8% like upstairs-downstairs
OVERGROUND
99.79% like upstairs-downstairs
PARTY
99.79% like upstairs-downstairs
PENTHOUSED
99.78% like upstairs-downstairs
SEMI-DETACHED
99.78% like upstairs-downstairs
MULTIBEDROOM
99.78% like upstairs-downstairs
HOMELY
99.77% like upstairs-downstairs
NEOLOCAL
99.77% like upstairs-downstairs
BACK-ALLEY
99.76% like upstairs-downstairs
MANSIONED
99.76% like upstairs-downstairs
SHACKED UP
99.76% like upstairs-downstairs
BACKSTAGE
99.75% like upstairs-downstairs
ROOMTHY
99.75% like upstairs-downstairs
FRONT-OF-HOUSE
99.74% like upstairs-downstairs
INDOOR
99.74% like upstairs-downstairs
HOMEKEEPING
99.74% like upstairs-downstairs
PERIDOMICILIARY
99.73% like upstairs-downstairs
HOUSEWIDE
99.73% like upstairs-downstairs
HEARTHSIDE
99.72% like upstairs-downstairs
INTERDORM
99.72% like upstairs-downstairs
BUNGALOWED
99.72% like upstairs-downstairs
MULTIROOM
99.71% like upstairs-downstairs
INTERHALL
99.71% like upstairs-downstairs
ENGLISH
99.7% like upstairs-downstairs
COSIE
99.7% like upstairs-downstairs
CARPETED
99.7% like upstairs-downstairs
COOM-CEILED
99.69% like upstairs-downstairs
OVERBED
99.69% like upstairs-downstairs
INTERMURAL
99.68% like upstairs-downstairs
EXTRABUREAU
99.68% like upstairs-downstairs
HOOD
99.68% like upstairs-downstairs
HOMEY
99.67% like upstairs-downstairs
CABINED
99.67% like upstairs-downstairs
CLOISTERED
99.66% like upstairs-downstairs
DESKSIDE
99.66% like upstairs-downstairs
MULTIOCCUPIED
99.66% like upstairs-downstairs
UNDERROOF
99.65% like upstairs-downstairs
GARRETED
99.65% like upstairs-downstairs
PRIVATE
99.64% like upstairs-downstairs
CLOSE-QUARTER
99.64% like upstairs-downstairs
HOUSE-PROUD
99.64% like upstairs-downstairs
DIVANED
99.63% like upstairs-downstairs
WHITE-SHOE
99.63% like upstairs-downstairs
MICROSTYLAR
99.62% like upstairs-downstairs
NEIGHBORHOODY
99.62% like upstairs-downstairs
GROUND-FLOOR
99.62% like upstairs-downstairs
ATTACHED
99.61% like upstairs-downstairs
HOUSE POOR
99.61% like upstairs-downstairs
OVERDOOR
99.6% like upstairs-downstairs