Monetise vs Monetize - What's the difference?

Monetize is a alternative form of monetise.

is that monetise is an alternative spelling of lang=en while monetize is to convert something (especially a security) into currency.

(monetis)

*monetise

(monetiz)

To convert something (especially a security) into currency

To mint money

To establish a currency as legal tender

To make a business activity profit-generating, particularly in computer and internet-related activities.