eccentricity, n. whimsicality, oddness, unconventionality, freakishness, [irregularity].
echo, n. [reverberation]. Associated word: catacoustics.
echo, v. [resound], [reverberate].
eclipse, n. occultation; obscuration, extinction, [concealment], outrivaling.
eclipse, v. [obscure], outshine, [surpass], outrival, overcast.
economical, a. [frugal], [saving], [thrifty], provident. Antonyms: See [extravagant].
economize, v. [save], [retrench], [husband].
economy, n. [thrift], [frugality], thriftiness, [retrenchment]; [management], administration, [system].
eczema, n. [tetter], milk [crust].
eddy, n. vortex, [whirlpool].