Other hyponyms of difficulty include
effortfulness,
asperity,
grimness,
hardship,
rigor,
rigorousness,
rigour,
rigourousness,
severeness,
severity,
hardness,
ruggedness,
formidability,
toughness,
burdensomeness,
heaviness,
onerousness,
oppressiveness,
niceness,
subtlety,
inconvenience,
troublesomeness,
worriment,
problem,
trouble,
facer,
killer,
kink,
pisser,
booby trap,
pitfall,
snorter,
balk,
baulk,
check,
deterrent,
handicap,
hinderance,
hindrance,
impediment,
wrinkle,
bitch,
plight,
predicament,
quandary,
rattrap,
pinch,
fix,
hole,
jam,
mess,
muddle,
pickle,
hard time,
rough sledding,
strain,
stress,
mire,
job,
problem,
situation,
urinary hesitancy,
wall,
thorniness.