2 ms·Wiktionary says no: carcass (plural carcasses)by nielsbot 5y agoWiktionary says no: carcass (plural carcasses)rzzzt 5y agoGoing the other way round, I found one article where "carcus" is mentioned in singular form.nielsbot 5y agolink? update: Ha. Wiktionary has an entry which says "misspelling of carcass" https://en.wiktionary.org/wiki/carcus https://en.wiktionary.org/wiki/carcus