Guadiana
geographical name
Gua·di·a·na ˌgwä-ˈt͟hyä-nä 
river 515 miles (829 kilometers) long in Spain and Portugal flowing west and south into the Gulf of Cádiz
- surveyable
- surveyal
- surveyals
- surveyance
- surveyances
- surveyed
- surveying
- surveying sextant
- surveyings
- surveyor
- surveyor general
- surveyor generals
- surveyor's compass
- surveyor's cross
- surveyor's dial
- surveyor's level
- surveyor's measure
- surveyor's rod
- surveyors
- surveyors general
- surveyorship
- surveyorships
- surveys
- surview
- surviewed