chopper

n 1 chopping tool, esp a short axe or a butcher's heavy knife with a large blade 砍割工具（尤指短斧或屠夫的宽刃重刀）; 砍刀; 屠刀. 2 (infml 口) helicopter 直升飞机.

chock-full, chocolate, choice, choir, choir school, choirboy, choirmaster, choke, choked, choker, cholera, choleric, cholesterol, chomp, choose, choose to do, choosiness, choosy (also choosey), chop, chop-suey, choppiness, choppy, chopsticks, choral, chorale, chord, chore, choreograph, choreographer, choreographic, choreography, chorister, chortle, chorus, chorus-girl, chose, chosen, chough, chow, chow mein, chowder,