Nose-dive and Write off

Nose-dive verb - To go to a lower level especially abruptly.

Write off and nose-dive are semantically related. In some cases you can use "Write off" instead a verb phrase "Nose-dive".

Write off verb - To express scornfully one's low opinion of.

Nose-dive and write off are semantically related. Sometimes you can replace phrase "Nose-dive" with "Write off", this terms are similar.