Difference between Boo and Ooh

BOO vs OOH: NOUN

To show displeasure (after a performance or speech) by making a prolonged sound of “boo”.
To shout extended boos derisively.
To derisively shout extended boos at.
Show displeasure, as after a performance or speech

Used to express contempt, scorn, or disapproval or to frighten or surprise another.
A loud exclamation intended to scare someone, especially a child. Usually used when one has been hidden from the victim and then suddenly appeared unexpectedly.
An exclamation used by a member or many members of an audience, as at a stage play or sports game, to indicate derision or disapproval of what has just occurred.
A word used ironically in a situation where one might have scared someone, but said someone was not scared. Not said as loudly as in definition 1.

Dude, Cute, Pfft, Hoos, Whoo, Hoo, Ooh, Jeer, Bronx cheer, Bird, Raspberry, Snort, Hoot, Hiss, Razzing

Smith, Delicious, La, Tom, Okay, Whew, Yeah, Phew, Boo, Yuck, Whoa, Gee, Whoo, Wow, Oooh

Darling, Shame, Dude, Cute, Pfft, Whoo, Hoo, Ooh, Bronx cheer, Bird, Raspberry, Snort, Hoot, Hiss, Razzing

Woo, Smith, Delicious, Tom, Okay, Whew, Yeah, Phew, Boo, Yuck, Whoa, Gee, Whoo, Wow, Oooh

BDOs to act as a passenger, RC BOO, and bag search BOO.
Fozzie is on boo boo patrol for Rozzie around the playroom.
Boo back, Boo would die of mold from the damp.
Tiaras where Honey Boo Boo was a child pageant contestant.
He had a nice boo boo on nose and chin.
Out of Space Birthday Party for Boo Boo!
In addition to Here Comes Honey Boo Boo.
And, by all means, make your paper, boo boo.
PHOTOS Winners of the Official Honey Boo Boo Hallo.
Beget cruelty to him than that the new companion a tactical boo boo boo boo boo boo.

Ooh, what score did I get this time?
Ooh, that sounds right up my ally, Aly!
Gimme Some Love Oh Ah Just A Little Bit Ooh Aah Just A Little Bit Ooh Aah.
Em Ooh ooh two letters for you B What you trippin on?
OOH training we have developed nine interactive and engaging online cases using Virtual Patients to simulate a real OOH clinic.
TheJewEgg: Ooh ooh I have a solution: stop the nuclear program.
Ooh, ooh, one of those that showed up was me!
Ooh, ooh, there must be something going on.
CAT: THINK OF NOBODY HERE AND THE FEELING OF FEAR AND THE DARKNESS OF NIGHT HUNCHES: OOH OOH, OOH.
His main catchphrase is "Crumbs, DM." and others include "Ooh-eck.", "Ooh-Fiddle." and "Ooh-Carrots.", all said when things go wrong.