Infrequency (noun)

The condition of being rare or occurring at long intervals.

Origin:

Derived from the latin word 'infrequens' meaning rare or uncommon.

Examples:

1. The infrequency of the solar eclipses was a source of fascination and awe for early astronomers.
2. The infrequency of the earthquakes made the city feel vulnerable and unprepared.
3. The infrequency of the visits from his parents made him cherish the moments even more.
4. The infrequency of the opportunities made him take advantage of every single one.
5. The infrequency of the wins made the team work even harder and strive for success.