Congenital anomaly and Tongue tie

Congenital anomaly noun - A defect that is present at birth.

Tongue tie and congenital anomaly are semantically related. In some cases you can replace phrase "Tongue tie" with "Congenital anomaly", this phrases are similar.

Tongue tie noun - A congenital anomaly in which the mucous membrane under the tongue is too short limiting the mobility of the tongue.

Congenital anomaly and tongue tie are semantically related. Sometimes you can use "Congenital anomaly" instead a noun phrase "Tongue tie".