Merriam-Webster's Collegiate Dictionary:
eskimoan
eskisehir
eskishehr
esl
esop
esophageal
esophagitis
esophagus
esoteric
esoterica
esoterically
esotericism
esp
esp?rito santo
esp?ritu santo
espa?a
espa?ola
espadrille
espalier
espartero
esparto
esparto grass
especial
especially
esperance
esperantist
esperanto
espi?gle
espi?glerie
espial
espionage
esplanade
espn
espoo
espousal
espouse
espouser
espresso
esprit
esprit d'escalier
esprit de corps
esprit de l'escalier
espy
esq
esqr
esquiline
esquimau
esquire
esquivel
ess
essaouira
essay
essay question
essayer
essayist
essayistic
esse quam videri
essen
essence
essene
essenian
essenic
essenism
essential
essential oil
essentialism
essentialist
essentiality
essentialize
essentially
essentialness
essequibo
essex
esslingen
essoin
essonite
est
est modus in rebus
est?rel
establish
establishable
established church
establisher
establishing shot
establishment
establishmentarian
establishmentarianism
estaing, d'
estaminet
estancia
estate
estate agent
estate car
estate tax
estate-bottled
este
esteem