The person or thing in the twenty-eighth position. / One of twenty-eight equal parts of a whole.

The ordinal form of the number eighteen.

The person or thing in the eighteenth position. / One of eighteen equal parts of a whole. / (informal) A party to celebrate an eighteenth birthday.

The ordinal form of the number eighty.

The person or thing in the eightieth position. / One of eighty equal parts of a whole.

The cardinal number immediately following eighty-three and preceding eighty-five.

The cardinal number immediately following eighty-six and preceding eighty-eight.

The cardinal number immediately following eighty-four and preceding eighty-six.

The cardinal number immediately following eighty-two and preceding eighty-four.

The cardinal number immediately following eighty-five and preceding eighty-seven.