Tom Karzes <karzes@sonic.net> wrote:

I found two 10-letter (4 disctinct) words having this property:

sereneness sleeveless

Also, checking all words in /usr/share/dict/words on Panix, Actaeaceae, beerbibber, chachalaca, isoosmosis, kotukutuku, and rememberer. Next I'll check my saved email for more.