fantouche
adj.— «Onomastics is the “leirit or fantouche” word for the study of names of all kinds, especially personal and place-names.» —“About the Scottish Place-Name Society” by Simon Taylor Scottish Place-Name Society (Scotland) Aug. 5, 2003. (source: Double-Tongued Dictionary)
Further reading
Understanding the varieties of conversational styles can mean the difference between feeling you’re understood and being insulted. “High-involvement” speakers interrupt or talk along with someone else to signal their enthusiasm...
The cardboard cylinder left after the last sheet of toilet, tissue, or wrapping paper comes off the roll has inspired families to make up a lot of names for the tube or the sounds you can make with it. These include oh-ah, oh-ah, drit-drit, dah-dah...