Drone

bourdon

(fixed-pitch pipe in bagpipe)

brommen

(a low-pitched hum or buzz)

dar

(male bee)

dreunen

(a low-pitched hum or buzz)

drone

(male bee)

drone

(unmanned aircraft)

gebrom

(hum or buzz)

brommen

(to speak in a monotone way)

eentonig spreken

(to speak in a monotone way)