Following are all the firbound like words, in the list below.
FIRRY
100% like firbound
FIRLIKE
100% like firbound
ARBOURED
99.99% like firbound
CONFINED
99.99% like firbound
ARBORED
99.98% like firbound
FORESTED
99.98% like firbound
CLIFFBOUND
99.98% like firbound
CIRCUMSCRIBED
99.97% like firbound
SYLVAN
99.97% like firbound
WOOD-LOCKED
99.96% like firbound
WOODED
99.96% like firbound
CABINED
99.96% like firbound
TIMBERED
99.95% like firbound
FOOTHILLED
99.95% like firbound
TREELINED
99.94% like firbound
PINECLAD
99.94% like firbound
EMBAYED
99.94% like firbound
FRINGENT
99.93% like firbound
CORDED
99.93% like firbound
FORESTISH
99.92% like firbound
FOOTHILLY
99.92% like firbound
BELFRIED
99.92% like firbound
BASTIONED
99.91% like firbound
FIMBRIATED
99.91% like firbound
WOODY
99.9% like firbound
CLOSE
99.9% like firbound
BOUGHY
99.9% like firbound
THICKETED
99.89% like firbound
BESNOWED
99.89% like firbound
TREELIKE
99.88% like firbound
SUCCINCT
99.88% like firbound
SILVESTRAL
99.88% like firbound
IRONBOUND
99.87% like firbound
FURRY
99.87% like firbound
ENSERFED
99.86% like firbound
FORESTY
99.86% like firbound
BIELDY
99.86% like firbound
FURRED
99.85% like firbound
BRACKENED
99.85% like firbound
SHRUBBY
99.84% like firbound
WOODSY
99.84% like firbound
BEAMED
99.84% like firbound
SWARDED
99.83% like firbound
CIRCUMCINCT
99.83% like firbound
FLOCKED
99.82% like firbound
NIVAL
99.82% like firbound
ARBORIFORM
99.82% like firbound
BIRCHLIKE
99.81% like firbound
BECINDERED
99.81% like firbound
RAILED
99.8% like firbound
CINCTURED
99.8% like firbound
FROSTED
99.8% like firbound
STINTED
99.79% like firbound
TREELY
99.79% like firbound
NARROW
99.78% like firbound
BOSKY
99.78% like firbound
BURLY
99.78% like firbound
LARCHLIKE
99.77% like firbound
SHROUDED
99.77% like firbound
ENFOULDERED
99.76% like firbound
FENCELIKE
99.76% like firbound
FINNED
99.76% like firbound
PENT
99.75% like firbound
FRORY
99.75% like firbound
FERNY
99.74% like firbound
FENLIKE
99.74% like firbound
TREEY
99.74% like firbound
WILLOWY
99.73% like firbound
CAIRNED
99.73% like firbound
WALLED
99.72% like firbound
BARKED
99.72% like firbound
FRINGED
99.72% like firbound
PINIFORM
99.71% like firbound
BECASTLED
99.71% like firbound
FERNLIKE
99.7% like firbound
SPIRALBOUND
99.7% like firbound
CABIN-FEVERED
99.7% like firbound
FENNISH
99.69% like firbound
FJORDED
99.69% like firbound
ACORNED
99.68% like firbound
TRESSURED
99.68% like firbound
BEKNOTTED
99.68% like firbound
FJORDLIKE
99.67% like firbound
SPRIGGY
99.67% like firbound
TINED
99.66% like firbound
CLOSETLIKE
99.66% like firbound
CLIFFY
99.66% like firbound
GROVED
99.65% like firbound
FORESTLIKE
99.65% like firbound
CURTAINED
99.64% like firbound
BARKLIKE
99.64% like firbound
NEMOROUS
99.64% like firbound
BEDEWED
99.63% like firbound
FURZY
99.63% like firbound
SHRUBBERIED
99.62% like firbound
LIGNIFEROUS
99.62% like firbound
BARKY
99.62% like firbound
CLAUSTRAL
99.61% like firbound
THICKETY
99.61% like firbound
COPSELIKE
99.6% like firbound
