word of mouth, by

Orally, by one person telling another, as in They don't advertise; they get all their customers by word of mouth. [Mid-1500s]

Name	Pronounced	Usage
Kwaku	-	Western African, Akan
Ahenobarbus	-	Ancient Roman
Kalla	KAL-ə	English (Rare)
Creighton	KRAY-tən	English (Rare)
Angyalka	-	Hungarian
Zane (2)	-	Latvian