Rendition should not be used for rendering.
Researcher has no standing as a word.
Reside in the sense of live, and residence in the sense of house or dwelling are affectations and should never be used.
Retire should not be used in the sense of "go to bed."
Right should not be used in the sense of duty. "You had a right to warn me," should be "It was your duty to warn me, or you ought to have warned me." Right should not be used in the sense of very. Such expressions as right now, right off, right away, right here are not now in good use.
Same should not be used as a pronoun. This is a common usage in business correspondence but it is not good English and can be easily avoided without sacrificing either brevity or sense. Same as in the sense of just as, in the same manner should be avoided.
Score should not be used for achieve or accomplish.
Set should not be confused with sit. To set means "to cause to sit."
Sewage, meaning the contents of a sewer, should not be confused with sewerage which means the system.
Show should not be used in the sense of play or performance. Show up should not be used for expose.