dyslalia

noun
dys·​la·​lia | \ dis-ˈlā-lē-ə How to pronounce dyslalia (audio) , -ˈlal-ē-ə How to pronounce dyslalia (audio) \

Medical Definition of dyslalia

: a speech defect caused by malformation of or imperfect distribution of nerves to the organs of articulation (as the tongue)