"Egotism" is an inflated sense of one's importance; it's being conceited or vain. The egotist feels superior to others physically, intellectually or in some other way. "Egoism" is a preoccupation with oneself, but not necessarily feeling superior to others.
He had 2
John Proctor - Wife
Elizabeth Proctor: 1674 - 1692
Martha Giddens: 1655 - 1659