Table 1.
TT | OT | TO | OO |
---|---|---|---|
Bedroom | Chopstick | Cardshark | Deadline |
Coalmine | Crowbar | Doughnut | Dingbat |
Daylight | Dashboard | Heatwave | Fleabag |
Doorbell | Godchild | Jailbird | Hallmark |
Farmyard | Jackknife | Oddball | Hogwash |
Fencepost | Nickname | Shoehorn | Humbug |
Paintbrush | Pothole | Slowpoke | Ragtime |
Rosebud | Shortcake | Sourpuss | Rugrat |
Sailboat | Strawberry | Spoilsport | Stalemate |
Schoolboy | Sunfish | Staircase | Windfall |
Compounds are classified as TT, transparent–transparent; OT, opaque–transparent; TO, transparent–opaque; and OO, opaque–opaque.