well

gadolinium

noodle

a bird of passage; a migratory bird

yellow-green

(geography) a latitude (angular distance)

to endeavor, to make an effort

Ecuador (a country in South America)

driver, a person who drives a vehicle / (computing) driver, a program acting as interface between an application and hardware / screwdriver

Madrid (a city and municipality of the Community of Madrid, Spain; capital city of Spain) / Madrid, Community of Madrid (an autonomous community of Spain)