-head1
/hɛd/suffix
Equivalent to -hood: maidenhead
Origin
Middle English -hed, -hede.
-head2
/hɛd/combiningForm
1Denoting the front, forward, or upper part or end of a specified thing: spearhead masthead
2Forming informal nouns expressing disparagement of a person: airhead dumbhead
3Forming informal nouns denoting an addict or habitual user of a specified drug: crackhead
3.1Forming informal nouns denoting an enthusiast of a particular thing: he’s a total soccer-head