Oral-Verbal | Commonly Confused Words

Oral

/ˈɔːrəl/

Relating to the mouth, spoken words, or verbal communication

Her oral presentation captivated the audience.The contract was based on an oral agreement.Oral history traditions enrich cultural heritage.

This word has no antonyms

/ˈvəːb(ə)l/

Using spoken or written words to communicate

No one made any verbal response to the voice.Victor sighs, cutting off my verbal daydream.The invitation was refused, and by a verbal message.

Verbal relates to words, whether spoken or written, while oral strictly refers to things spoken by the mouth.
Remember that oral is used for things like oral presentations or oral hygiene, indicating actions done with the mouth.
Verbal can describe communication involving words, like verbal abuse or verbal agreement, encompassing written as well.
If its about speech or speaking, oral is the go-to word, but if it involves language in general, verbal' is appropriate.
Oral pertains specifically to the mouth (like oral exams), whereas verbal is broader, covering anything expressed in words.