This is the 2272nd most frequent Polish word.
stworzenia
"Stworzenia" in English means "creatures" or "beings."
In this sentence, 'stworzenia' is used as a plural noun meaning 'creatures'.
Te stworzenia są bardzo interesujące.
These creatures are very interesting.
'Stworzenia' acts here as a genitive singular form of 'stworzenie', meaning 'creating'.
Proces stworzenia tego dzieła był niezwykle skomplikowany.
The process of creating this work was extremely complicated.
Here, 'stworzenia' is used in the genitive singular form referring to 'the creation' in an abstract sense.