There is no direct adverb for the noun vacancy (state of being empty or unoccupied). While the related adjective vacant has the adverb form vacantly, the adverb has a different connotation (lack of attention or awareness).
vacancy
Vacancy is a noun.
I wanted to stay at a motel, but the one I went to didn't have a vacancy.
"Vacancies" is the correct plural form of "vacancy".
"There is no vacancy in the inn," the man told the couple.
job vacancy
the root word for vacancy is vacant
Select Vacancy was created in 2006.
the root word for vacancy is vacant
The abstract noun for the adjective vacant is vacantness. Another abstract noun form is vacancy.
The plural word for vacancy is vacancies.
The bathroom is vacant therefore it has a vacancy