This is the 17918th most frequent Polish word.
łódki
"Łódki" means "boats" in English.
This uses 'łódek' (plural of 'łódka') in its plural form, indicating multiple items (boats) located on the lake.
Na jeziorze pływa wiele łódek.
There are many boats floating on the lake.
Here, 'łódki' is used in nominative plural as part of a question contrasting different types of watercraft.
Lubisz łódki czy kajaki?
Do you prefer boats or kayaks?
In this case, 'łódce' (singular form in the locative case of 'łódka') is employed showing the singular item in a specific location (on the boat).