There is additionally a difference between American and British usage in the word school.

Often a distinction is made here between attributive and predicative usage.

There has been debate regarding the causal relationship between usage of cannabis and bipolar disorder.

Inevitably there are differences between medieval Occitan spellings and contemporary usage.

Some writers prefer to alternate between male and female generic usage to provide clarity without the appearance of bias.

Sharing disjoints the connection between usage and ownership of a product.

This often creates a discrepancy between contemporary usage and that which has been accepted, over time, as being correct.

This is the gap between the total potential for the market and actual current usage by all consumers in the market.

The terminal contains 10 air bridges, evenly split between domestic and international usage.

The brush hair is delicate and must be stored properly between usage.