cover, hide, conceal

bitterly cold

correspondence (reciprocal exchange of civilities, especially by letters)

to correspond (exchange messages, especially by postal letter, over a period of time); to communicate with letters

sun / daytime, daylight / day

the daytime, during the day / a half day, half of a day

the eighth day of the month / eight days

the ninth day of the month / nine days

the seventh day of the month / seven days

home nursing, home healthcare