the Ex-president.
an ex-president, ex-mayor, ex-governor, etc. When capitalized, the first letter of the compound takes the capital, as: Ex-president Cleveland. Many good writers prefer the expression former president, etc.
Erie Canal.
the earth. Though the name of a definite planet, this word is not capitalized. It is a clear exception to the rule. The sun and the moon usually go in lower-case.
F
Fast Day.
the Flood of the Bible.
Fourth of July.
Father, meaning God. See [Deity].
fall of the year, except when personified. See [seasons].