Following are all the blighten like words, in the list below.
BLIGHT
100% like blighten
BLAST
100% like blighten
UNBLIGHT
99.99% like blighten
BLENCH
99.99% like blighten
BLOT
99.98% like blighten
IMPAIR
99.98% like blighten
BENIGHTEN
99.98% like blighten
BECLOUD
99.97% like blighten
MILDEW
99.97% like blighten
PLAGUE
99.96% like blighten
BLEAKEN
99.96% like blighten
DARKEN
99.96% like blighten
BENIGHT
99.95% like blighten
DEBILITATE
99.95% like blighten
BLOT OUT
99.94% like blighten
BEFOUL
99.94% like blighten
BELATE
99.94% like blighten
SLIGHTEN
99.93% like blighten
STUNT
99.93% like blighten
HINDER
99.92% like blighten
BLACKEN
99.92% like blighten
BESTAIN
99.92% like blighten
BLUR
99.91% like blighten
BLANCH
99.91% like blighten
BLOTCH
99.9% like blighten
OBSTRUCT
99.9% like blighten
BLATCH
99.9% like blighten
DISILLUMINATE
99.89% like blighten
BEGLOOM
99.89% like blighten
BLEND
99.88% like blighten
SICKEN
99.88% like blighten
FLYBLOW
99.88% like blighten
STINK
99.87% like blighten
LANGUISH
99.87% like blighten
INJURE
99.86% like blighten
BLETCH
99.86% like blighten
GLOOM
99.86% like blighten
IMPEST
99.85% like blighten
LEAVEN
99.85% like blighten
EXTENUATE
99.84% like blighten
FORLIGHTEN
99.84% like blighten
BLEAR
99.84% like blighten
DETERIORATE
99.83% like blighten
BESMUTCH
99.83% like blighten
BESMIRCH
99.82% like blighten
TAINT
99.82% like blighten
FOUL
99.82% like blighten
LESSEN
99.81% like blighten
ILLIGHTEN
99.81% like blighten
AFFLICT
99.8% like blighten
FROSTBITE
99.8% like blighten
DEVITALIZE
99.8% like blighten
ANNOY
99.79% like blighten
BELIGHT
99.79% like blighten
IMPINGE
99.78% like blighten
AFFECT
99.78% like blighten
WHITEN
99.78% like blighten
DETRIMENT
99.77% like blighten
ATTENUATE
99.77% like blighten
IMPERIL
99.76% like blighten
IMPEDE
99.76% like blighten
PARALYZE
99.76% like blighten
WEAKEN
99.75% like blighten
BLECK
99.75% like blighten
IMPOVERISH
99.74% like blighten
BEDEVIL
99.74% like blighten
MALIGNIFY
99.74% like blighten
VITIATE
99.73% like blighten
CONTAMINATE
99.73% like blighten
EMBITTER
99.72% like blighten
BLITHEN
99.72% like blighten
LIGHTEN
99.72% like blighten
CANKER
99.71% like blighten
BLESH
99.71% like blighten
STIGMATIZE
99.7% like blighten
BLUNK
99.7% like blighten
INFECT
99.7% like blighten
POISON
99.69% like blighten
CHOKE
99.69% like blighten
VILLANIZE
99.68% like blighten
DISINVIGORATE
99.68% like blighten
POLLUTE
99.68% like blighten
STULTIFY
99.67% like blighten
DWARF
99.67% like blighten
BEGRIME
99.66% like blighten
ETIOLATE
99.66% like blighten
STAIN
99.66% like blighten
BREATHE UPON
99.65% like blighten
BEBLOT
99.65% like blighten
DIMINISH
99.64% like blighten
BADDEN
99.64% like blighten
INFLAME
99.64% like blighten
HURT
99.63% like blighten
BEDWARF
99.63% like blighten
EMBLANCH
99.62% like blighten
BLAZEN
99.62% like blighten
BECRIPPLE
99.62% like blighten
BEDARKEN
99.61% like blighten
WORSEN
99.61% like blighten
SHACKLE
99.6% like blighten