The "Ring of the Nibelung" is a cycle of four operas by Richard Wagner, the famous nineteenth-century German composer.
A year constitutes a cycle of the seasons.
Word: "cycle"
different meanings

The alchemists sought to transform lead into gold.
This experience transformed her completely.
Word: "transform"
the same meaning

The flock of birds took to the air.
There was a tension in the air which made me suspect an approaching storm.
Word: "air"
the same meaning

An air of mystery.
The program was on the air from 9 til midnight.
Word: "air"
different meanings