21-letter words containing b, o, y, i
- to lay something bare — If you lay something bare, you uncover it completely so that it can then be seen.
- washington's birthday — February 22, formerly observed as a legal holiday in most states of the U.S. in honor of the birth of George Washington.
- weinberg-salam theory — electroweak theory.
- william of malmesbury — William of, William of Malmesbury.