A levee is a physical embankment built along a river to stop flooding. A levy is a tax, fine or other charge that is imposed and collected, or a body of troops raised by conscription. Memory hook: a levee holds water back, a levy takes money or people in.
The core difference
Levee is a raised bank against flooding, while levy is a tax, charge or conscripted force, or the act of imposing one.
- levee — an embankment against flooding: The levee failed during the storm, flooding several neighbourhoods.
- levy — to impose and collect a tax or charge: The government decided to levy a new tax on sugary drinks.
- levy — a tax or compulsory payment: Homeowners face a new levy to fund local road repairs.
How to tell them apart
Both words come from French words related to 'raising', which is the thread connecting them: a levee raises a bank of earth against water, while a levy raises money or troops. Once you know that shared root, the spelling difference becomes easier to hold onto, since one raises land and the other raises funds or people.
The mix-up usually appears in news reports about flood defences and taxation appearing close together, where a rushed writer types 'levy' for the embankment or 'levee' for the tax. Reading the sentence back and asking whether it involves water or money settles it quickly.