Meaning ‘out’

The final sound of this prefix often changes (assimilates) to match the beginning sound of the base/word.

ex-e-ec-ef-
exact
exalt
examine
example
excavate
exceed
excel
except
excess
excise
excite
exclaim
exclude
excrete
excuse
execute
exempt
exercise
exert
exhale
exhaust
exhibit
exhort
exhume
exile
exist
exit
exodus
exorcism
expand
expect
expel
expend
expert
expire
explain
explode
exploit
explore
export
expose
expound
expunge
express
extend
extinct
extol
extort
extract
extreme
extrude
exude
exult
edict
eject
elaborate
elapse
eliminate
elude
emanate
emancipate
emerge
emigrate
emit
erase
erode
erupt
evacuate
evade
evict
eccentric
ecclesiastic
efface
effect
effete
efficient
effigy
effloresce
effluent
effort
effuse