I'd guess quite a few. Used to hitchhike quite a lot when I was in the UK. Another 5 from that word alone!
withhold, bathhouse, beachhead, bushhammer, chhaupadi, fishhawk, fishhook, highhanded, hitchhike, roughhouse, washhouse, watchhouse, aarrghh, hashhead, roughhew, fleshhood, roughhewn, touchhole, youthhood, youthhead, sleuthhound, arghhood, birthhood, dervishhood, feythhed, fishhood, freshhood, highhede, hochheimer, kahht, melshhead, muchhead, neshhead, pariahhood, plihht, soothhead, stalworthhead, tachhydrite, truthhead, unworthhead, whighhie, withhilden, wrathhead, wretchhead, ... But NOT togethher!
OK, I Iived on Anlaby common but did a paper round in that area, so knew the roads quite well, plus one of my pals lived on Rokeby Park, so we hung around the shops near Drum.