| Language | Family | Form for GREY | Gloss for GREY | Form for BLUE | Gloss for BLUE |
|---|---|---|---|---|---|
| Proto-Indo-European | Indo-European | *peli- | GREY | *peli- | BLUE |
| Irish | Indo-European | liathghorm | GREY | liathghorm | BLUE |
| Classical Greek | Indo-European | glaῦkos | GREY | 'glaukos | BLUE |
| Old Chinese | Sino-Tibetan | gə | GREY | gə | BLUE |
| Middle Chinese | Sino-Tibetan | gi | GREY | gi | BLUE |
| Burushaski | Burushaski | ʂiˈqam | grey | ʂiˈqam | blue |
| Chuvash | Turkic | kəˈʋak | grey | kəˈʋak | blue |
| Basque | Basque | uɾdin | grey | uɾdin | blue |
| Ossetian | Indo-European | t͡sʼəχ | grey | t͡sʼəχ | blue |