earphone

• POS: Noun
• HYPHEN: ear=phone

OXFORD DICTIONARY

earphone, n. a device applied to the ear to aid hearing or receive radio or telephone communications.

THESAURUS

earphone

acoustical network, capacitor speaker, coaxial speaker, cone, crossover network, diaphragm, dynamic speaker, electrodynamic speaker, electromagnetic speaker, electrostatic speaker, excited-field speaker, full-fidelity speaker, headphone, headset, high-fidelity speaker, high-frequency speaker, horn, loudspeaker, low-frequency speaker, midrange speaker, monorange speaker, moving-coil speaker, permanent magnet speaker, speaker, speaker system, speaker unit, triaxial speaker, tweeter, voice coil, woofer