The difference between Afraid and Sorry

When used as adjectives, afraid means impressed with fear or apprehension, whereas sorry means regretful for an action.

Sorry is also interjection with the meaning: expresses regret, remorse, or sorrow.

Sorry is also noun with the meaning: the act of saying sorry.

check bellow for the other definitions of Afraid and Sorry

Afraid as an adjective (usually used [[predicative adjective, predicatively]], not [[attributive adjective, attributively]]):

Impressed with fear or apprehension; in fear.

Examples:

"He is afraid of death."

"He is afraid to die."

"He is afraid that he will die."
Afraid as an adjective (colloquial):

regretful, sorry

Examples:

"I am afraid I cannot help you in this matter''."

Sorry as an adjective (of a person):

Regretful for an action; grieved or saddened, especially by the loss of something or someone.

Examples:

"I am sorry I stepped on your toes. It was an accident."

"I am sorry to hear of your uncle's death."
Sorry as an adjective:

Poor, sad or regrettable.

Examples:

"The storm left his garden in a sorry state."
Sorry as an adjective:

Pathetic and inferior to the point of causing others disgust.

Examples:

"Bob is a sorry excuse for a football player."