With "head" as the first part:
* headache
* headband
* headcount
* headfirst
* headhunter
* headline
* headlight
* headlong
* headmaster
* headquarters
* headscarf
* headset
* headstone
* headstrong
* headwaters
* headwind
* headword
* heady
With "head" as the second part:
* blockhead
* deadhead
* flathead
* roundhead
* stronghead
* weakhead
* stonehead
Other combinations:
* ahead
* overheads (though "over" is a prefix, it's often considered a compound word)
This list is not exhaustive, but it gives you a good starting point for finding more compound words containing "head"!