| Answer | Crossword Clue |
|---|---|
| RECT | Straight prefix |
| ORTHO | "Straight" prefix |
| ORTH | Straight: prefix |
| ORTHO | Straight: prefix |
| RECTI | Straight: Prefix. |
| RECTI | Straight: Prefix |
| RECT | Straight: Prefix |
| ORTHO | Straight: Prefix. |
| ORTH | Straight: Prefix. |
| ORTHO | Straight: Prefix |
| ORTH | Straight: Prefix |
| ORTH | Straight (prefix) |
| RECT | Straight: Prefix. |
| ORTHO | Prefix meaning straight |
| ORTHO | Prefix meaning "straight" |
| ORTH | Prefix meaning straight |
| RECTI | Prefix meaning "straight" |
| ORTH | Prefix meaning "straight" |
| RECTI | Prefix with "linear" that means "straight" |
