Acoustic aphasia and Aphasia

Acoustic aphasia noun - An impairment in understanding spoken language that is not attributable to hearing loss.

Aphasia and acoustic aphasia are semantically related. In some cases you can use "Aphasia" instead a noun phrase "Acoustic aphasia".

Aphasia noun - Inability to use or understand language (spoken or written) because of a brain lesion.

Acoustic aphasia and aphasia are semantically related. Sometimes you can replace phrase "Acoustic aphasia" with "Aphasia", this terms are similar.