| Kognakglas | snifter |
| Kognak | cognac brandy |
| Trinkglas | drinking glass tumbler |
| Kobaltglas | cobalt glass |
| Kognat | cognate |
| kognat | cognate |
| Deckglas | cover glass coverslip |
| Kelchglas | flute |
| Opernglas | opera glasses |
| Augenglas | eyeglass |
| Douglas | Douglas |
| Fernglas | binoculars field glasses |
| Schnapsglas | shot glass |
| Senfglas | mustard jar |
| Sonnenglast | glare |
| Weinglas | wine glass |
| Ikonoklast | iconoclast |
| Kogge | cog |
| Kognition | cognition |
| Kognomen | cognomen |