Focus on the pronunciation of combination
English definition of “combination”
/ˌkɑm·bəˈneɪ·ʃən/ n [C/U]
› a mixture obtained when two or more things are combined: [C] Green is a combination of blue and yellow. [C] A combination of tiredness and boredom made me doze off in class. We'll be working in combination with (= together with) two other departments on this project.