This is the 76th most frequent Japanese word.
十
The Japanese word "十" means "ten."
Expressing duration or passage of time using 'ten' as an indication of numerical length of years.
十年前に大学を卒業しました。
I graduated from university ten years ago.
Using 'ten' to indicate a specific date in both the month and day.
そのイベントは十月十日に行われます。
The event will be held on October 10th.
Describing a count of items using the numeral 'ten' with the counter for long objects.