Birth defect and Tongue tie

Birth defect noun - A defect that is present at birth.

Tongue tie and birth defect are semantically related. In some cases you can replace phrase "Tongue tie" with "Birth defect", 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.

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