impediment
speech impediment

He had a speech impediment, which set him apart from the other children.

She thought at first that he had some kind of speech impediment.

"I was so sure a vampire would never have a speech impediment."

An accident when he was young left him with a speech impediment.

Learning to deal with his speech impediment was not easy for Bruce.

The voice was a child's, with a bit of a speech impediment.

He suffered from a speech impediment and spoke very little until about the age of six.

This is a part of a larger speech impediment he has.

One has a speech impediment while the other looks like a potato.

The child very likely will have a speech impediment, you know.