Difference between Fearful and Frightful

FEARFUL vs FRIGHTFUL: ADJECTIVE

Full of fear, apprehension, or alarm; afraid; frightened.
Extreme, as in degree or extent. Used especially of something negative.
Causing or capable of causing fear; frightening.
Inclined to fear; easily frightened; without courage; timid.
Inclined to feel anxiety or apprehension; timid; nervous.
Experiencing fear; frightened.
Causing fear or dread or terror
Lacking courage; ignobly timid and faint-hearted
Extremely distressing
Timid by nature or revealing timidity
Indicating anxiety or fear.
Frightening.
Terrible.
Frightened, filled with terror.
Experiencing or showing fear
Inspiring fear or awe; exciting apprehension or terror; terrible; frightful; dreadful.
Indicating, or caused by, fear.

Synonyms Pusillanimous, cowardly, faint-hearted. Dreadful. Frightful, etc. (see awful); dire, direful, horrible, distressing, shocking.
Showing fear; produced by fear; indicative of fear.
Causing or such as to cause fear; impressing fear; frightful; dreadful; terrible; awful.
Lacking courage
Ignobly timid and faint-hearted
Timid; timorous; wanting courage.
Feeling fear, dread, apprehension, or solicitude; afraid.

Synonyms Dreadful, Fearful, etc. (see awful); alarming, terrific, horrible, shocking.
Full of terror; fearful; alarmed.
Intolerable; shocking; hideous.
Full of occasion for fright; causing or apt to excite alarm or terror; terrible; dreadful: as, a frightful chasm; a frightful tempest.

Frightful, Dreaded, Fearsome, Unmanly, Fainthearted, Cowardly, Alarming, Trepid, Cowering, Timorous, Cringing, Frightening, Timid, Dread, Afraid

Dreadful, Scary, Hideous, Frightening, Ghastly, Terrifying, Extraordinary, Alarming, Fearful, Atrocious, Bad, Ugly, Horrible, Terrible, Horrifying

Frightful, Dreaded, Fearsome, Unmanly, Fainthearted, Cowardly, Alarming, Trepid, Cowering, Timorous, Cringing, Frightening, Timid, Dread, Afraid

Dreadful, Scary, Hideous, Frightening, Ghastly, Terrifying, Extraordinary, Alarming, Fearful, Atrocious, Bad, Ugly, Horrible, Terrible, Horrifying

Worse, are they fearful of termination or layoffs?
Some schools, fearful of lawsuits, may do so.
People are happy, not fearful, in Alloy sessions.
Man cannot die better than facing fearful odds.
Excellent driver was never fearful of our rides.
America to be fearful of what would follow.
EOL care and were fearful of poor quality.
They were fearful to return home and fearful that if they left home all their possessions would be lost.
Because we are fearful of people coming at us and fearful of attacks, we give up our rights.
Fearful he is to see, and fearful to hear!

And this issue can come on with frightful frequency.
Brown, Horrible Histories: The Frightful First World War, pg.
Frightful First Experiments kit has lots to satisfy curiosity.
What frightful errors are contained in those few lines!
You seem gasping with horror at some frightful supposition.
Tauros a frightful powerhouse to be reckoned with.
Horror series reboot thrills with tense, frightful story.
"How beautiful by contrast with this frightful forest.".
Multiattack: The dracolich can use its Frightful Presence.
The Old Testament tells us the frightful things that God has done, the New the frightful things that he will do.