Definitions of theirs

  1. The form of the possessive their used alone without a following noun. The Winston Simplified Dictionary. By William Dodge Lewis, Edgar Arthur Singer. Published 1919.
  2. Poss. of THEY. The american dictionary of the english language. By Daniel Lyons. Published 1899.
  3. pron. Of them. The Clarendon dictionary. By William Hand Browne, Samuel Stehman Haldeman. Published 1894.
  4. Possessive case of THEY. The Concise Standard Dictionary of the English Language. By James Champlin Fernald. Published 1919.
  5. Possessive of They. Nuttall's Standard dictionary of the English language. By Nuttall, P.Austin. Published 1914.
  6. th[=a]rz, poss. of they. [Like hers, ours, yours, a double genitive containing a plural suffix r + a sing. -s. These forms were confined in the 13th and 14th centuries to the Northern dialects, and are probably due to Scandinavian influence.] gutenberg.org/ebooks/37683

What are the misspellings for theirs?