Originally posted by chronicmanI have mentioned all of those in an earlier post 😉
curtisy of google
The one most commonly cited is screeched (nine letters). However, one ought to mention also scratched, scrounged, scrunched, stretched, and the plural nouns straights and strengths (all with nine letters).
The complete Oxford English Dictionary also indicates the existence of scraughed, scrinched, scritched, scrooched, sprainged, ...[text shortened]... le instance of the ten-letter word scraunched, from the 1620 English translation of Don Quixote.