Means to remove two names come together as one word or with a Hyphen to separate the burning (-) comes with or without separator, it is considered to be a noun compound (Compound Noun) according to meaning.
Means taking the two come together to write a single word. Or to write Separated by a Hyphen (-) are separated or not. It is known that the compound (Compound Noun) has the meaning.
Mean, bringing the name 2 to write on a word. Or to write separately by Hyphen (-) delimited with or without. It is considered that name is a compound noun (Compound Noun). According to meaning.