For each word, see how many compounds you can think of which include the word.
| 1. light | lighthouse, lightweight, sunlight, daylight | 
| 2. time | timetable, time-scale, bedtime, daytime | 
| 3. bird | birdsong, birdseed, songbird, birdhouse, blackbird | 
| 4. down | downtown, download, lowdown, showdown | 
| 5. brain | brainwave, brain-teaser, birdbrain, scatterbrain |