Borrowing from Russian мир (mir, “world”).
mir (plural mirs)
There are more words: increase your search size (the gear button) or decrease the word length above.
You can also try words with the phrase MIR, words starting with the letters MIR, or words ending in the letters MIR.
Words… ending with q, starting with q, starting with qa, starting with qo, with two letters, starting with x, starting with j, ending with j,
Some random searches:
CPPKE, XJNE, RCXVE, JHBGGE, UYXDFLI, GSFPGKY,