We don't have synonyms for lamanites yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are laminitis, lamanite and lamaite.
(N) :
In the Book of Mormon, the Lamanites are one of the four peoples (along with the Jaredites, the Mulekites, and the Nephites) described as having settled in the ancient Americas in the Book of Mormon.
(N) :
In the Book of Mormon, the Lamanites are one of the four peoples (along with the Jaredites, the Mulekites, and the Nephites) described as having settled in the ancient Americas in the Book of Mormon.