Difference between Shriek and Shrill

SHRIEK vs SHRILL: NOUN

A high-pitched noise resembling a human cry
A shrill, often frantic cry.
A sound suggestive of such a cry.
A sharp, shrill outcry: as, the shriek of a whistle; shrieks of laughter. See shriek, v.
Synonyms Screech etc. See screem.
A sharp, shrill outcry or scream; a shrill wild cry such as is caused by sudden or extreme terror, pain, or the like.
The swift; -- so called from its cry.
Sharp piercing cry

High-pitched and piercing in tone or sound.
Sharp or keen to the senses; harshly vivid.
High-pitched and sharp
Acute; sharp; piercing; having or emitting a sharp, piercing tone or sound; -- said of a sound, or of that which produces a sound.
High-pitched and piercing.
Sharp or keen to the senses.
Of colors that are bright and gaudy
Being sharply insistent on being heard
Having or emitting a high-pitched and sharp tone or tones
Producing a sharp, high-pitched tone or sound.

To utter with a shriek.
To make a sound similar to a shriek.
To utter a shriek.
To utter a loud, sharp, shrill sound or cry, as do some birds and beasts; to scream, as in a sudden fright, in horror or anguish.

To utter an acute, piercing sound; to sound with a sharp, shrill tone; to become shrill.
To produce a shrill cry or sound.
To utter in a shrill manner; scream.

To utter a sharp, shrill cry; cry out more or less convulsively, at a pitch above that of a scream, as in great and sudden fright, in horror, or in extreme pain: used sometimes, by hyperbole, of laughter.
To utter with a shriek or a shrill wild cry.

To utter or emit a keen, piercing, high-pitched sound.
To sound shrilly; be shrill.
To cause to give out a shrill sound.
To utter or produce with a shrill sound.
Sharp and piercing in sound; high and keen (somewhat disagreeably so) in voice or note: the common use of the word.
Emitting or capable of emitting a sharp, high, piercing sound.
In a shrill manner; shrilly.
Piercing; sharp; affecting the senses sharply or keenly; bright.

Hiss, Growl, Yell, Cackle, Groan, Howl, Squeal, Wail, Pipe up, Pipe, Shrill, Screaming, Screeching, Screech, Scream

Cacophonous, Vociferous, Whiny, Hysterical, Marked, Stark, Strident, High pitched, Pipe up, Pipe, High, Sharp, Piercing, Screech, Shriek

Hiss, Growl, Yell, Cackle, Groan, Howl, Squeal, Wail, Pipe up, Pipe, Shrill, Screaming, Screeching, Screech, Scream

Cacophonous, Vociferous, Whiny, Hysterical, Marked, Stark, Strident, Pipe up, High pitched, Pipe, High, Sharp, Piercing, Screech, Shriek

Celtus Kasady aka Carnage with Naomie Harris playing Shriek.
Even so her shriek of outrage reached him clearly.
It has been released by Shriek Show on DVD.
She SCREAMS, a sawing shriek of mindless agony.
On occasions, provoking a hoarse shriek of pain.
Anthems, a bratty shriek to scare off disassociation.
Nell felt as if she would shriek aloud.
At this moment there arose from down the corridor piercing shriek on shriek, the howls of a young child frantic with rage and terror.
Heard shriek on shriek resounding in the middle of table, the night; For there they have hidden them every one.
Shrek Forever After Shrek the Third Shrieker Shrieking Violet Shriek of the Lycanthrope Shriek of the Mutilated Shriek of the Sasquatch!

Shrill mewing cries followed, perhaps your best male healers.
Cerro del Tigre with their shrill and merry chatter.
Morehouse described it as "dry, crisp, metallic, almost shrill.".
Two strong shrill whistles answered through the calm.
And fetch shrill echoes from the hollow earth.
The sonnet, his first, is clumsy and shrill.
And with a shrill whistle the game begins.
Affecting the ear with shrill vibrations of sound.
TV shows on Metacritic, with Shrill at No.
To make a shrill sound with a wind or steam instrument, somewhat like that made with the lips; to blow a sharp, shrill tone.