Similar words
alarma
Despertador is specifically an alarm clock; alarma is the general word for an alarm.
Similar in other languages
German
Wecker
Wecker is the German word for the same thing — both mean "alarm clock."
French
réveil
réveil is the French word for the same thing — both mean "alarm clock."
Practice
1 What does despertador mean?
alarm clock
2 Fill the gap: Puse el ___ a las siete.
Full sentence: Puse el despertador a las siete. (I set the alarm for seven.)
3 Which fingerprint chart matches despertador?
despertador: neutral register, core frequency, general domain, neutral connotation.