| auxochrom | auxochromic |
| Autochrom | autochrome |
| monochrom | monochrome monochromatic |
| Autodrom | motor-racing circuit dodgems track bumper car dodgem |
| auxotroph | auxotrophic |
| Lunochod | lunokhod |
| monochrome | black-and-white |
| autochthon | autochthonous |
| xanthochrom | xanthochromic |
| Rauschrot | realgar |
| Aschram | ashram |
| Aufschrei | outcry yelp |
| Chrom | chromium chrome |
| bichrom | bichrome |
| Aerodrom | aerodrome |
| Auxologie | auxology |
| Luxor | Luxor |
| Xochil | Xochitl |
| Abkochung | decoction |
| Antiochos | Antiochus |