No comments from the peanut gallery!

to be a commercial traveller

to commission a ship

commit perjury

to commit to memory

to commit to paper

to commit suicide

to commit a serious offence

to commit a crime

to be committed to doing something

He committed suicide.

common phrases

common ground

common practice

common speech

common-or-garden

to be as common as muck

common English proverbs

It is a common fallacy that a neutered dog will become fat

common good

to be common practice

common and garden

common talk

It’s common practice

common opinion