A. Resemblances
B. Discrimination
C. Dissimilarities
D. Agreement
Resemblances : the state of resembling or being alike.
Discrimination : the unjust or prejudicial treatment of different categories of people, especially on the grounds of race, age, or sex.
Agreement : harmony or accordance in opinion or feeling.
Differences : a point or way in which people or things are dissimilar
Antonym of Differences is Resemblances.