Unlike
Part of speech: preposition
Definition: different from
Part of speech: adjective
Definition: Not like; dissimilar; diverse; having no resemblance; as, the cases are unlike. Not likely; improbable; unlikely.
Example sentence: During the Great Depression, African Americans were faced with problems that were not unlike those experienced by the most disadvantaged groups in society. The Great Depression had a leveling effect, and all groups really experienced hard times: poor whites, poor blacks.
Unequal
Part of speech: adjective
Definition: Not the same.Out of balance.
Example sentence: Bullying is the result of an unequal power dynamic - the strong attacking the weak.