I'm an uptight suburban twit.

We are subject to the laws of nature.

Sea level rise at specific locations may be more or less than the global average due to many local factors: subsidence, upstream flood control, erosion, regional ocean currents, variations in land height, and whether the land is still rebounding from the compressive weight of Ice Age glaciers.

Applicants were requested to submit their resumes.

Sami moved into an upscale suburb.

The reason the Northern and Southern Dynasties had failed in their rule was that they allowed literary splendor to surpass real substance.

It's a very delicate subject.

The Islamization of sub-Saharan Africa was slower.

There's a subtle difference in meaning between the two words.

Is it dangerous to take a subway alone?