In most cases, the two word usage seems to be more common.

Yet, when it comes to word usage, I notice a striking difference.

The relations between the child's and the mother's patterns of word usage will be examined.

Right out of the box, a question about word usage.

Variations in word usage and presentation aside, it read pretty much the same everywhere.

He is also extremely precise and demanding in his word usage.

There are no significant errors or discrepancies in word usage between the first and following parts.

To a high degree, the dictionary standardized both English spelling and word usage.

This has a satisfying economy of word usage which pleases me no end.

Meaning shifts are very common among language users, and allow for great flexibility of word usage.