Vertigo: A sensation as if the external world is revolving around you or as if you are revolving in space. A sense of spinning even while standing/sitting still.
Dizziness: A disturbed sense in relation to the world around you, it is a sensation of unsteadiness with a feeling of movement with the head, giddiness, lightheadedness.
Disequilibrium: A sense of unsteadiness or imbalance typically exacerbated by movement or environmental influences.