epaulette (also esp US epaulet)

n shoulder ornament on a naval or military officer's uniform （海军或陆军军官制服上的）肩章.

envelope, envelopment, envenom, enviable, enviably, envious, enviously, environment, environmental, environmentalist, environmentally, environs, envisage, envision, envoy, envy, enzyme, eon, EP, epaulet, epee, ephemera, ephemeral, epic, epicentre (US epicenter), epicure, epicurean, epidemic, epidermis, epidural, epiglottal, epiglottis, epigram, epigrammatic, epilepsy, epileptic, epilogue, Epiphany, episcopal, episcopalian,