Developmentally Appropriate Sound Substitutions (Free Download)
This quick-reference chart outlines appropriate sound substitutions for children with Childhood Apraxia of Speech (CAS) and other motor-speech or phonological disorders.
It helps therapists and parents choose realistic alternative sounds that align with a child’s current motor and developmental level—so speech practice remains achievable while still targeting meaningful words.
Based on Kaufman Speech Praxis Test sound groupings and DEAP error patterns, this resource supports functional goal-setting and confident therapy planning.