A compound noun is a noun that contains two or more words. There are three forms:
- Compound nouns with spaces.
- Compound nouns without spaces.
- Compound nouns with hyphens.
Compound Nouns with Spaces
- Christmas Day
- bottle opener
- swimming pool
Compound Nouns without Spaces
- homework
- bathroom
- sheepdog
Compound Nouns with Hyphens
- mother-in-law
- check-in
- forty-two
Common mistakes with nouns.
