'con

 concept, confit, contrast, concrete, conference, confident, conflict, consequence, constant, content, context, contrary, contract, control

conversation

con'

convert, concern, consider, constructor， confirm, construct，conclude, conclusion, condicton, conduct, conductor, confirm, confuse

congratulate, connect, consist, construct, consult请教/质询/查阅, consume, contain, continue, contribute, convenience, convince

convey

'com [ˈkʌm]

complex, comment, common, comfortable, company

com'[kəmˈ]

command, recommand, compare, command, committee, communicate, community, companion, comparison, compete, competition

competitor, complete, compress, computer

com特别版本

compete[kəmˈpiːt], competitive[kəmˈpetətɪv], competition [ˌkɑːmpəˈtɪʃn], competitor[kəmˈpetɪtə(r)]

complete [kəmˈpliːt]

complicate[ˈkɒmplɪkeɪt]

compile [kəmˈpaɪl], compiler[kəmˈpaɪlə(r)]

compare[kəmˈpeə(r)], comparison[kəmˈpærɪsn]