This is the 14815th most frequent Turkish word.
sabundur
"Sabundur" means "it is soap" in English.
Here, "sabundur" is used as a definitive statement that the subject being referred to is soap.
Sabundur, ama suyun altında kolayca eriyebilir.
It is soap, but it can easily dissolve underwater.
In this context, "sabundur" emphasizes the nature or function of the substance.
Bu madde sabundur; temizlik için kullanılır.
This substance is soap; it is used for cleaning.
The use of "sabundur" here highlights the essential quality of the object in question.