Runaways & Throwaways; There is a difference?

The words "runaway" and "throwaway" involves leaving home for live in the streets,  but not in the same way, that could be the main difference between them.

"Runaway" involves leaving home for your own decision, as a fugitive.

"Throwaway" involves leaving home due to rejection, ejection or abandonment by parents or guards.

BIBLIOGRAPHY

• American Heritage Dictionary of the English Language, Fifth Edition. Copyright © 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. http://www.thefreedictionary.com/runaway
• American Heritage Dictionary of the English Language, Fifth Edition. Copyright © 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. http://www.thefreedictionary.com/throwaway