This is the 784th most frequent Polish word.
domów
The Polish word "domów" means "of houses" or "of homes" (genitive plural form of "dom").
Here, 'domów' is the plural genitive form of 'dom', referring to 'homes', used after the quantifier 'Wiele' (many).
Wiele domów w tej okolicy zostało niedawno odnowionych.
Many homes in this area have been recently renovated.
In this sentence, 'domów' is in the plural genitive case, indicating the direct object of the verb 'zwiedzić' (to visit).
Kiedyś chciałbym zwiedzić więcej takich pięknych domów.
Someday I would like to visit more of such beautiful homes.
Here, 'domów' serves as a possessive genitive plural form of 'dom', specifying which roofs (those of the homes).