A normal year has 365 full days, but there are 366 days in a leap year.
She is 4 years old.
Word: "year"
the same meaning

Some students had stolen the key to the final exam.
He spoke in a low key.
Word: "key"
different meanings

Political convention.
The EU installed an inter-institutional Convention to draft a European constitution.
Word: "convention"
the same meaning

Deep in her breast lives the silent wound.
He feared that mentioning it might reopen the wound.
Word: "wound"
the same meaning