Halfdäck, quarter-deck.
Halfnaken, half naked.
Halfslumra, to doze.
Halfstrumpa, sock.
Halfsyskon, half-brothers and half-sisters.
Halftimme, half-hour.
Halftokig, half mad, half crazy.
Halfvägs, half-way, midway.
Halfår, half-year, six months.
Halfö, peninsula, (mindre) demi-island.