The head of a comet.
She gave great head.
Word: "head"
different meanings

The hum of distant traffic.
They could hear a hum coming from the kitchen, and found the dishwasher on.
Word: "hum"
the same meaning

She was granted leave to speak.
The applicant now seeks leave to appeal and, if leave be granted, to appeal against these sentences.
Word: "leave"
the same meaning

The patient developed severe pain and distension.
That kid is a terrible pain.
Word: "pain"
different meanings