What are your rules for what counts as a "word"? If you go with the basic scrabble rules (i.e. nothing that would be capitalized or punctuated) then YAWL[1] is

What are your rules for what counts as a "word"? If you go with the basic scrabble rules (i.e. nothing that would be capitalized or punctuated) then YAWL[1] is pretty good, with the downside being the most recent version I know of is from 2008. FYI, rupturewort is the sole 11-letter word answer to TFA in YAWL; found using: grep '^[qwertyuiop]*$' word.list |while read -r line; do echo "${#line} ${line}"; done |sort -n | tail 1: https://github.com/elasticdog/yawl https://github.com/elasticdog/yawl