qubba/qabba
Hi guys, I wanted to ask you about the word قبة.
Is it qubba or qabba?
Or both exist, qubba and qabba?
And if both exist, do they have the same meaning or different?
I am asking in reference to the word 'alcove'. Almaany dictionary says alcove is قبة but doesnt give me diacritic marks.