13-letter words containing f, e, r, i, t, y
- safety margin — something required to ensure safety
- security firm — a firm which provides guards for buildings, and other security services and personnel
- self-security — freedom from danger, risk, etc.; safety.
- seventy-first — next after the seventieth; being the ordinal number for 71.
- superfluidity — a fluid that exhibits frictionless flow, very high heat conductivity, and other unusual physical properties, helium below 2.186 K being the only known example.
- testificatory — related to a person who witnesses or an object used as evidence
- transfusively — in a transfusive manner
- typhoid fever — Also called typhoid fever. an infectious, often fatal, febrile disease, usually of the summer months, characterized by intestinal inflammation and ulceration, caused by the typhoid bacillus, which is usually introduced with food or drink.
- unfalteringly — to hesitate or waver in action, purpose, intent, etc.; give way: Her courage did not falter at the prospect of hardship.
- unthriftyhead — thriftlessness
- verifiability — to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction.