alkane with four carbon atoms
| BUTANE |
| Word | Clue |
|---|---|
| GAS | carbon dioxide |
| COAL | carbon |
| OMAN | country with Muscat |
| QUAD | Four shots of espresso |
| CYCLE | vicious or carbon |
| FIGHT | with pillow or knife |
| GUARD | in prison or with honor |
| NIGER | country with Niamey |
| STEEL | stainless or carbon |
| WAGON | four-wheeled cart for hauling loads |
| NIBBLE | group of four bits |
| NORWAY | country with Oslo |
| DIAMOND | allotrope of carbon |
| NIGERIA | country with Abuja |
| GRAPHITE | allotrope of carbon |
| PAKISTAN | country with Islamabad |
| PARAGUAY | country with Asunción |
| RECTANGLE | quadrilateral with four right angles |
| SEMIFINAL | last four |
| TESSERACT | four-dimensional analog of the cube |
| BASE | alkali |
| MOTHER | All About My ... (film) |