Put down and Rip up

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

Rip up and put down are semantically related In some cases you can use "Rip up" instead a verb "Put down".

Rip up verb - Tear into shreds.

Put down and rip up are semantically related in belittle topic. Sometimes you can use "Put down" instead a verb "Rip up", if it concerns topics such as criticize very harshly, attack with words.