Try should be followed by to rather than and. "I will try to go," not "I will try and go."
Ugly should never be used in the sense of bad tempered or vicious. It means "repulsive to the eye."
Unique does not mean rare, odd, or unusual. It means alone of its kind.
Upward of should not be used in the sense of more than.
Venal should not be confused with venial.
Verbal should not be confused with oral. A verbal message means only a message in words; an oral message is a message by word of mouth.
Very should be used sparingly. It is a word of great emphasis and like all such words defeats its purpose when used too frequently.
Visitor is a human caller. Visitant a supernatural caller.
Want should not be used in the sense of wish, e. g., "I want it" really means "I feel the want of it" or "I lack it." Want, wish, and need should be carefully distinguished.
Way should not be used in the sense of away in such expressions as "Way down East."