Yes, x-ray is a compound noun.
There are three types of compound nouns:
open spaced: tennis shoe, front door, paint brush
hyphenated: mother-in-law, fifty-five, x-ray
closed: bathtub, Baseball, houseboat
yes
Is the x Ray is a proper noun
German is not a compound word.
Billboard is a compound word.
needlewoman is a compound word
A compound word for evening is nighttime.
Yes, XRAY is a company. If you are referring to the electromagnetic radiation, x-ray what you mean.
xray
Is the x Ray is a proper noun
Yes it's hyphenated: x-ray.
No It's not a compound word
No, important is not a compound word.
Upwards is a compound word.
There is no compound word.A compound word is a word like bus-stop.Husban is spelt like this husband
Upstairs is a compound word, so it is one word.
No it is not a compound word
Mango is not a compound word.
A non compound word is , a word with one word not two . For a example a compound word is snowflake. An non compound is hot cheetos.