13-letter words containing a, f, s, c, m
- semi-official — having some degree of official authority.
- simplificator — a person who simplifies matters
- social misfit — a person who does not conform to others' views of what is normal or acceptable in society
- specific name — the second part in the name of a species, such as norvegicus in Rattus norvegicus
- telefacsimile — facsimile (def 2).
- twin camshaft — A twin camshaft is an arrangement of two parallel camshafts for each set of cylinders in an engine. Usually one operates the intake valve and the other the exhaust valve.
- woodcraftsman — a person who is skilled in woodcraft.