05:25 “fear of a name increases fear of the thing itself” (Dumbledore on how nit mentioning Voldemort his name contributes to fearing the name)

03:30 theory: Voldemort tatooing Taboo Curse on death eaters

01:00 saying Voldemort his name as worry in First Wizarding War: he, and death eaters, might hunt you?

Also, he “Taboo Curse” placed upon himself (see above). Members of the Order of the Phoenix say his name, so people can find him.

In last movie, Harry said Voldemort, and they were caught by snatchers. (and other examples)