This is the 846th most frequent Italian word.
estate
Summer.
Here, 'estate' is a noun meaning 'summer', referring to the season.
L'estate è la mia stagione preferita.
Summer is my favorite season.
'Estate' still represents the season here, emphasizing a time of year.
Durante l'estate, andiamo sempre al mare.
During summer, we always go to the sea.
In this usage, 'estate' refers to 'estate' as in property, reflecting a different meaning of the word.