Seventieth is a 10 letter English word. It's valid Scrabble word worth 16 points. It's valid Words with friends word worth 17 points.
You can make 264 anagrams from letters in seventieth (eeehinsttv).
First recorded in 1250-1300, seventieth is from the Middle English word seventithe. See seventy, -eth2
It would seem, at best, an uneasy fit: Paul Newman and his seventieth birthday, this month.
Why should not a day from my seventieth year be exactly like my day to-day?
The 16th of May of that year was his seventieth anniversary.
He died in that city on the 9th of August 1672, in the seventieth year of his age.
On his seventieth birthday Mark Twain was dazzled by his liberty.
There he remained till his death in 929, in the seventieth year of his age.
Sunday, by the way, was the seventieth anniversary of his birth.
On his seventieth birthday Mr. Bright justified what he called the policy of 1846.
December 29, 1879, Mr. Gladstone attained the seventieth year of his age.
He died on the 25th May, 1085, not having yet attained his seventieth year.
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