Empathy vs. Sympathy
Enthusiastic vs. Enthused
Envelop vs. Envelope
Epigram vs. Epigraph
Equable vs. Equitable
Err vs. Heir
Arrant vs. Errant
Ethics vs. Ethic
Eventually vs. Ultimately
Evoke vs. Invoke
Exacerbate vs. Exasperate
Exceed vs. Accede
Execrate vs. Excoriate
Exempt vs. Except
Exhort vs. Extort
Exiguous vs. Exigent
Exotic vs. Erotic
Expeditious vs. Expedient
Explicit vs. Implicit
Extol vs. Exalt