o vs uh

o

• The name of the Latin-script letter O/o. 

• A zero (used in reading out numbers). 

• Operator 

• Object, see SVO 

• Over 

• The fifteenth letter of the English alphabet, called o and written in the Latin script. 

uh

• An occurrence of the interjection "uh". 

• Expression of thought, confusion, or uncertainty. 

• Space filler or pause during conversation.