The ending " sız,siz,suz,süz " that change SOME nouns into adjectives
tuzsuz ---> tuz [salt] + suz [ without ] ----> without salt [saltless]
şekersiz ----> şeker [ sugar] + siz [ without ] ---> without sugar [sugarless]
kokusuz ---- > koku [ smell,scent ,perfume] + suz [without] -->...