Practise/Practice

Introduction

Practise and practise are often used incorrectly in written English. Native speakers often confuse the two different spellings of this words, but the difference is quite simple. Let's take a look.

American English

In American English, practice is always spellt with a c. Regardless of whether it is a verb or a noun.

Example:
Tessa has softball practice on Tuesdays and Thursdays. (noun)
If you want to inmrpove, you have to practice every day. (verb)

British English

In British English, practice is spelt with a c when it is a noun.

Example:
Tessa has two practices a week. (noun)

When practise is a verb, it is spelt with s.

Example:
They are very good because they practise every day. (verb)