Grandsire is a 9 letter English word. It's valid Words with friends word worth 13 points.
You can make 616 anagrams from letters in grandsire (adeginrrs).
1250-1300; Middle English graunt-sire Anglo-French. See grand-, sire
And striding past his grandsire he traversed the aisles with hasty steps.
This tribute of Milt to his grandsire was loyal but inaccurate.
His grandsire would not tell him of these things; perhaps his grandsire did not know.
When I was a youth, his grandsire was my friend; I had some fancies then myself.
"Nothing, I trust," said Luke, stooping to raise up his grandsire.
It was Joseph, the grandsire of Napoleon, who received them.
And presently, chagrined with failure, the culprit was before his grandsire.
Scaife's sire and grandsire were earning their bread before they were sixteen.
The fame of his grandsire, the Tickell of Addison, was not hurt by the descent to him.
"A branch has fallen," said he, as his grandsire joined him.