This is the 11150th most frequent Polish word.
godzinowej
"Godzinowej" means "hourly" in English.
Here, 'godzinowa' is used as an adjective describing the type of contract ('umowa'), indicating it's based on hours worked.
Mam umowę godzinową w pracy.
I have an hourly contract at work.
In this sentence, 'godzinowy' serves as an adjective to describe the nature of the cost ('koszt'), being calculated per hour.
Koszt wynajmu sali jest godzinowy.
The cost of renting the room is hourly.
'Godzinowej' functions as an adjective linked to 'stawka', specifying the rate is calculated in hours.