t 1 h 4 e 1 i 1 r 1 s 1
6 letters · 9 points in Scrabble
Meaning
originFrom Middle English theires, attested since the 1300s. Equivalent to their + -s (compare -'s); formed by analogy to his. Displaced theirn (from Middle English theiren, formed by analogy to mine, thine) in standard speech.
Etymology from Wiktionary, CC BY-SA 3.0