Knocking down and Put down

Put down and knocking down are semantically related. in destroy topic. In some cases you can use "Put down" instead a verb "Knocking down", when it comes to topics like humiliate, repulse, underrate.

Put down verb - To express scornfully one's low opinion of.

Knocking down and put down are semantically related. Sometimes you can replace term "Knocking down" with "Put down", this phrasal verbs are similar.