This is the 6448th most frequent Turkish word.
aktaş
"Aktaş" means "white stone" in English.
'Aktaş' is used as a proper noun, specifically the surname of a family.
Aktaş ailesi, yıllardır bu mahallede yaşıyor.
The Aktaş family has been living in this neighborhood for years.
'Aktaş' is used here descriptively, where 'ak' means 'white/light' and 'taş' means 'stone'.
Elimdeki taşa bak: Bu, bildiğin aktaşlardan biri.
Look at the stone in my hand: This is one of the 'light stones' you know.
'Aktaş' is again used as a proper noun, potentially referring to a person's name.