13-letter words containing f, u, c, l, o, s
- suffolk punch — a breed of draught horse with a chestnut coat and short legs
- sulfonic acid — any of a large group of organic compounds of the structure RSO 2 OH, which are strong acids that give neutral sodium salts: used in the synthesis of phenols, dyes, and other substances.
- unofficiously — objectionably aggressive in offering one's unrequested and unwanted services, help, or advice; meddlesome: an officious person.