Difference between Foolishness and Imbecility

FOOLISHNESS vs IMBECILITY: NOUN

The quality of being rash and foolish
A stupid mistake
The quality or condition of being foolish; want of understanding; folly.
A foolish practice; an absurdity.
Synonyms Silliness, stupidity, imbecility, dullness, doltishness, nonsense, absurdity.
The quality of being foolish.
The state of being foolish.
The trait of acting stupidly or rashly
A thing or event that is foolish, or an absurdity.

Retardation more severe than a moron but not as severe as an idiot
A stupid mistake
Great stupidity or foolishness.
Something, such as an act or suggestion, that is considered stupid or foolish.
The condition or quality of being imbecile or impotent; weakness of either body or mind, but especially of the latter.
Synonyms Infirmity, Imbecility, etc. (see debility); feebleness, childishness, idiocy, dotage.
The quality of being imbecile; weakness; feebleness, esp. of mind.
Something imbecilic; a stupid action, behaviour, etc.

Ignorant, Insanity, Crap, Nonsense, Stupid, Madness, Ignorance, Lunacy, Idiocy, Unwiseness, Betise, Craziness, Imbecility, Folly, Stupidity

Absurdity, Irrationality, Depravity, Arrogance, Hubris, Mindlessness, Inanity, Dumbness, Lunacy, Fatuity, Idiocy, Betise, Foolishness, Folly, Stupidity

Mistake, Crazy, Indiscretion, Ignorant, Insanity, Crap, Nonsense, Stupid, Madness, Ignorance, Lunacy, Idiocy, Imbecility, Folly, Stupidity

Vapidity, Absurdity, Irrationality, Depravity, Arrogance, Hubris, Mindlessness, Inanity, Dumbness, Lunacy, Fatuity, Idiocy, Foolishness, Folly, Stupidity

Henry of that name, down to the drivelling imbecility of the last.
These results qualified Carrie and Emma as imbeciles, and Laughlin argued that this trait of imbecility was genetic, not environmental.
Now and then, by the imbecility of a judge or some trick of juridic science, they actually justify it.
Look at the late war, conceived in arrogance, matured in ignorance and delivered in imbecility.
Their imbecility and their dependence on consciousness betrays their imperfection.
Frankfurter government may be due to sheer imbecility and not to ingrained rascality.
Europe and exhibit to the World a sad spectacle of nationaldegradation and imbecility.
The imbecility of our government even forbids them to treat with us.
I want to pop out of my septic imbecility.
Randolph had charged the President with duplicity and imbecility.