Free printable compound nouns worksheet with answer key. Open, hyphenated and closed compound nouns. Build, identify and sort. All original sentences. Class 6 to 9, O Level, IGCSE, Matric.
Open (two words): solar panel • post office • high school • phone call
Hyphenated: self-control • well-being • check-in • father-in-law
Closed (one word): sunlight • notebook • doorstep • rainfall • toothpaste
Note: The form changes as a word becomes more commonly used. When unsure, check a dictionary. In exams, all three forms are acceptable if used consistently.