MySQL

[origin12]

Are you able to increase the amount of MySQL databases in my account?

 

[bdistler]

while they will not do that...for a basic free-hosting account

By using table prefixes - each of your two (2) MySQL databases can serve more than one script or CMS (WordPress, Joomla, Drupal, etc)

 

[origin12]

What I currently have installed:
MyBB (Forums, light)
SMF (Forums, semi-light)
And what I want to install wordpress.

 

[bdistler]

...And what I want to install wordpress.

install WordPress using one of your databases - and tables prefix for the WordPress tables