| Language | Family | Form for WHEN | Gloss for WHEN | Form for HOW | Gloss for HOW |
|---|---|---|---|---|---|
| Hittite | Indo-European | mahhan | when? | mahhan | how? |
| Wakaya | Pama-Nyungan | winthamirni | when | winthamirni | how |
| Batsbi | Nakh-Daghestanian | moħ | WHEN | moħ | HOW |
| Tsimshian | Tsimshian | ndeh | when? | ndeh | how? |
| Araona | Pano-Tacanan | kʷipac̷io | when? | kʷipac̷io | how? |