early – late
east – west
easy – difficult
elementary – advanced
emigrate – immigrate
emigration – immigration
empty – full
end – begin
end – beginning
ending – beginning
enemy – friend
enjoy – hate
enter – leave
entrance – exit

equal – different
even-odd
evening-morning
everybody-nobody
everything-nothing
exactly-approximately
excited-calm
exciting-boring
exclude-include
exit-entrance
expensive-cheap
export-import
exposure-shelter
extreme-moderate