Vowelization typically resolves by the age of 6. Affrication is the substitution of an affricate (ch, j) sound for an nonaffricate sound (e.g. “choe” for “shoe”). We should no longer hear this process after the age of 3.

When should phonological processes be eliminated?

By age five most children naturally outgrow their use of phonological error patterns.

Is Vowelization a phonological process?

Vocalization (voc), also called Vowelization, is a phonological process which typically starts to assimilate around the age of 3.5 years, and sometimes lasts up to the age of 5-7 years.