Break one's word and Rat on

Rat on and break one's word are semantically related. In some cases you can replace term "Rat on" with "Break one's word", this terms are similar.

Rat on verb - To give information (as to the authorities) about another's improper or unlawful activities.

Break one's word and rat on are semantically related. Sometimes you can replace phrase "Break one's word" with "Rat on", this terms are similar.