During times of crisis, fifth columnists often exploit fear to undermine public confidence.

During the investigation, several fifth columns were uncovered within the city's administration.

The teacher explained that forty-fifths is the plural form of forty-fifth and is rarely used outside technical contexts.

At the awards ceremony, the ninety-fifths were called to the stage to receive their certificates.

At the family reunion, I discovered that Tom and I are fifth cousins.

Linguists debated why some manuscripts used fifth quarters instead of expected forms.

The archivist labeled the boxes according to edition number and placed all the fifty-fifths in a climate-controlled room.

She found the eighty-fifths in the archive and labeled them carefully.

The Fifth Republic announced a new climate initiative to reduce emissions by 2035.

The museum's exhibit included several well-preserved fifth rates from the late 18th century.