Difference between dysphasia and autism?

Speech: Dysphasia is a partial or complete impairment of the ability to communicate resulting from brain injury. Autism is a developmental disorder that appears in the first 3 years of life, and affects the brain's normal development of social and communication skills.

Big: Dysphasia/aphasia is an expressive language disorder. It means you can't find the words you need when you need them. In autism spectrum disorders, the communication deficit is in all areas - receptive, expressive, pragmatic, and nonverbal communication. It also includes social deficits and repetitive behaviors.