hour

rush hour

half an hour

hour

after-hours

half-an-hour

hourly

two-hour

mph

out-of-hours

yoghourt

hours

hourglass

kph

rush-hour

nine-hour

five-hour

watt-hour

eighthour

four-hour

one-hour

six-hour

hourlong

houri

hour-long

three-hour

ten-hour

eight-hour

bihourly