In our phonology class, the professor asked us to derive the surface form from the UR.

If ur schedule is packed, I can take care of the errands for you.

ur, I didn't mean to interrupt—could you continue?

If ur free later, we're grabbing coffee at 6.

Geologists debate whether Ur existed as a single coherent landmass or as a collage of microcontinents during the Archaean eon.

Historians visited Ur to study the city's well-preserved ziggurat and surrounding ruins.

The archaeologists uncovered an ur-city beneath the modern metropolis, revealing clues about the civilization's earliest formation.

They had ured the old machine until it broke.

The linguist examined how the suffix -ure marks nouns that denote a process.

Is this phone urs or mine?