Can you tell me the ------- between"maybe" and "may be"是填sam

Can you tell me the _______ between"maybe" and "may be"是填same as 还是differences还是别的
能不能顺便把There‘s a small garden behind my house .There are all_____ flowers in it.也解决了,我在想是填different还是kinds of,回答者万分感谢