This is the 3290th most frequent Polish word.
tematów
"Tematów" means "topics" or "subjects" (genitive plural form).
The word 'tematów' is used here in the genitive plural form to indicate the topics being discussed.
Rozmawialiśmy o różnych tematach podczas spotkania.
We discussed various topics during the meeting.
Here 'tematy' is in the accusative plural form, used as the object of the ideas being asked about.
Czy masz jakieś pomysły na tematy do debaty?
Do you have any ideas for topics for debate?
In this sentence, 'tematów' is in the genitive plural form to describe the contents of the list.