Earpiece and Earmuff

Earpiece noun - Electro-acoustic transducer for converting electric signals into sounds; it is held over or inserted into the ear.

Earmuff and earpiece are semantically related in earphone topic. In some cases you can use "Earmuff" instead a noun "Earpiece", when it comes to topics like headphone.

Nearby Word: ear

Earmuff noun - Either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather.

Earpiece and earmuff are semantically related in earphone topic. You can use "Earpiece" instead a noun "Earmuff", if it concerns topics such as headphone.