Orichalcum is a 10 letter English word.
You can make 521 anagrams from letters in orichalcum (acchilmoru).
1640-50; Latin Greek oreíchalkos literally, mountain-copper, equivalent to orei-, combining form of óros mountain + chalkós copper
The roof was of ivory, adorned with gold and silver and orichalcum, and the rest of the interior was lined with orichalcum.