decease - death
disease - illness
definite - indisputable, certain
definitive - final, complete, thorough
desert - to leave empty or alone; arid region
dessert - sweet refreshment eaten after meal
disinterested - free of bias and self-interest; impartial
uninterested - without an interest
elicit (v) - to bring or draw out; to arrive at by logic
illicit - unlawful
eligible - qualified or entitled to be chosen
illegible - not legible or decipherable
emigrate - to leave one country to settle in another
immigrate - to come to live in a new country
ensure - to make sure, certain, or secure
insure - to provide or arrange insurance for
farther - more distant than another
further - to advance; additional
foregoing- to precede, as in time or place
forgoing - abstaining from, relinquishing
formally - in a formal manner
formerly - previously