_Scholar_ for _Student_, or _Pupil_. A scholar is a person who is
learned, not a person who is learning.

_Score_ for _Win_, _Obtain_, etc. "He scored an advantage over his
opponent." To score is not to win a point, but to record it.

_Second-handed_ for _Second-hand_. There is no such word.

_Secure_ for _Procure_. "He secured a position as book-keeper." "The
dwarf secured a stick and guarded the jewels that he had found." Then
it was the jewels that were secured.

_Seldom ever_. A most absurd locution.

_Self-confessed_. "A self-confessed assassin." Self is superfluous:
one's sins cannot be confessed by another.

_Sensation_ for _Emotion_. "The play caused a great sensation." "A
sensational newspaper." A sensation is a physical feeling; an emotion,
a mental. Doubtless the one usually accompanies the other, but the
good writer will name the one that he has in mind, not the other.
There are few errors more common than the one here noted.

_Sense_ for _Smell_. "She sensed the fragrance of roses." Society
English.

_Set_ for _Sit_. "A setting hen."

_Settee_ for _Settle_. This word belongs to the peasantry of speech.