half, semi-, partial...

half minute

second half, latter half

half the number, haploid

half the face, one side, half...

first half

half a year, six months

short sleeves

short sleeves

majority, more than half, most (of)...

middle, halfway, midway...

semiconductor

peninsula, Korea

radius

majority

one hour

remnant, fragment, incomplete set...

half-moon, half a month, semicircle

half day

reduction by half, halving

stance with legs in an L-shape, with one leg bent in front and other extended behind (martial arts, traditional theater)

half the amount (of money), half price, half fare

lower half of the body, nether parts

half and half, fifty-fifty

upper half of the body, upper body

half a lifetime, half one's life, one's life so far

half-term, half-time, half period

half price

half and half, fifty-fifty

first half of the year, first half of the fiscal year