15-letter words containing f, e, m, c, o
- simple fraction — a ratio of two integers.
- sister of mercy — a member of a congregation of sisters founded in Dublin in 1827 by Catherine McAuley (1787–1841) and engaged chiefly in works of spiritual and corporal mercy.
- soft-shell clam — an edible clam, Mya arenaria, inhabiting waters along both coasts of North America, having an oval, relatively thin, whitish shell.
- specific volume — volume per unit mass; the reciprocal of density.
- summary offence — an offence that is triable in a magistrates' court
- the second form — the second year of secondary school
- ultramicrofiche — ultrafiche.