This is the 12935th most frequent Turkish word.
kalabilir
"(He/she/it) can stay" or "(it) may remain".
The word 'kalabilir' is used to express permission or possibility, suggesting that staying is an option.
Eğer yorgunsan, burada kalabilir.
If you are tired, you can stay here.
'Kalalım' here uses a similar root to 'kalabilir,' but its form expresses a suggestion or query.
Tatilde nereye gidelim? Şehirde mi kalalım, yoksa doğaya mı çıkalım?
Where should we go on vacation? Should we stay in the city or go to nature?
Here, 'kalabilir' again suggests possibility or provision of an allowance for the action.