Origin: Germanic Old English suffix
Dizziness has 2 different meanings across 1 category:
a reeling sensation; a feeling that you are about to fall
"The sudden drop in blood pressure caused her dizziness, and she had to grab the railing before she fell."
The state of being dizzy; the sensation of instability.
"The sudden drop in blood pressure caused a wave of dizziness that made her feel like she was going to fall."