Merriam-Webster's Collegiate Dictionary:
ericaceous
ericoid
ericsson
erie
erie canal
erie, lake
erigena
erigeron
erik
eriksson
erin
erin go bragh
erinys
eriophyid
erisa
eristic
eristical
eristically
eritrea
eritrean
erlander
erlangen
erlanger
erlenmeyer
erlenmeyer flask
ermine
ermined
ermo?polis
erne
ernst
erodable
erode
erodibility
erodible
erogenous
eros
erose
erosion
erosional
erosionally
erosive
erosiveness
erosivity
erotic
erotica
erotical
erotically
eroticism
eroticist
eroticization
eroticize
erotism
erotization
erotize
eroto-
erotogenic
erotomania
erotomaniac
err
errancy
errand
errant
errantly
errantry
errare humanum est
errata
erratic
erratical
erratically
erraticism
erratum
erroneous
erroneously
erroneousness
error
error bar
errorless
ersatz
erse
erskine
erskine of carnock
erst
erstwhile
ert
erucic acid
eruct
eructation
erudite
eruditely
erudition
erupt
eruptible
eruption
eruptive
eruptively
ervine
eryngo
