Alternate.
substitute (verb)
A word used when you place something on top of something else: "I placed the book onto the table."
If something pertains to something else, it is related or has to do with something else.
Yes, the suffix "-ment" means it is a noun
The likely word sought is substitute (something used in the place of something else, or an alternate player in sports).
no But then again there's the word "beforehand."
What word or term means "something out of place geographically?" It would be a parallel to the word anchronism, which means "something out of place chronologically."
The word substitute can be a verb and a noun. The verb form means to use something in place of something else. The noun form is a replacement for something which does a similar thing.
A different word for misunderstanding something is misinterpretation.
detached.
Something is imbedded in something else when it is stuck into it.
exchange something for something else in other word's trade.
Buy is a word to obtain something but by giving something else. Purchase can be the similar word for buy.