Equally as well; say equally well, or as well.
Every place used adverbially should be everywhere.
Except should never be used in the sense of unless or but.
Exceptional which means "unusual," "forming an exception" should not be confused with exceptionable which means "open to objection."
Expect which involves a sense of the future should not be confused with suppose and similar words, as in the phrase "I expect you know all about it."
Factor is not to be confounded with cause.
Falsity applies to things, falseness to persons.
At fault means "at a loss of what to do next." In fault means "in the wrong."
Favor should not be used in the sense of resemble.
Female should not be used for woman. The words female, woman, and lady should be used with careful attention to their respective shades of meaning.