Drop out and Walking out

Drop out verb - Give up in the face of defeat of lacking hope; admit defeat.

Walking out and drop out are semantically related In some cases you can replace term "Walking out" with "Drop out", this phrasal verbs are similar.

Walking out noun - The act of leaving a place.

Drop out and walking out are semantically related in resign topic. Sometimes you can use "Drop out" instead a verb "Walking out", if it concerns topics such as give up responsibility.