15-letter words containing f, o, t, s, y
- security forces — police or soldiers responsible for maintaining security
- self-employment — the act or fact of being self-employed.
- self-hypnotized — hypnotized by oneself.
- self-regulatory — Self-regulatory systems, organizations, or activities are controlled by the people involved in them, rather than by outside organizations or rules.
- self-revelatory — displaying, exhibiting, or disclosing one's most private feelings, thoughts, etc.: an embarrassingly self-revealing autobiography.
- 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.
- slumpflationary — of or relating to slumpflation
- sons of liberty — any of several patriotic societies, originally secret, that opposed the Stamp Act and thereafter supported moves for American independence.
- syllabification — to form or divide into syllables.
- synod of whitby — the synod held in 664 at Whitby at which the Roman date for Easter was accepted and the Church in England became aligned with Rome
- theory of games — game theory.
- theory of types — a theory advanced by Bertrand Russell to avoid the liar paradox, Russell's paradox, etc, in which a class of expressions or of the entities they represent can all enter into the same syntactic relations
- to play footsie — If someone plays footsie with you, they touch your feet with their own feet, for example under a table, often as a playful way of expressing their romantic or sexual feelings towards you.
- treaty of paris — a treaty of 1763 signed by Britain, France, and Spain that ended their involvement in the Seven Years' War
- un-fortuitously — happening or produced by chance; accidental: a fortuitous encounter.
- wolf-rayet star — a very hot (35,000–100,000 K) and luminous star in the early stages of evolution, with broad emission lines in its spectrum.
- yeast infection — candida: genital inflammation
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.