Common personality clashes at work: High Conscientiousness vs Low Conscientiousness (organized vs spontaneous), High Extraversion vs High Introversion (overstimulation vs understimulation), Thinking vs Feeling types (logic vs empathy), Judging vs Perceiving (structure vs flexibility), Type 1 vs Type 7 (perfectionism vs spontaneity), Type 8 vs Type 9 (confrontation vs conflict-avoidance). Solutions: awareness, communication, and complementary pairing.