15-letter words containing t, i, f, o, r
- traffic offence — a violation of traffic regulations, such as breaking the speed limit
- transfer window — the period during the year in which a football club can transfer players from other teams into their own
- transfiguration — the act of transfiguring.
- treaty of paris — a treaty of 1763 signed by Britain, France, and Spain that ended their involvement in the Seven Years' War
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- trondheim fiord — an inlet of the North Sea, extending into N Norway. 80 miles (129 km) long.
- trondheim fjord — an inlet of the Norwegian Sea in Norway, and Norway's third longest fjord, near which is the port of Trondheim
- trout fisherman — a fisherman who catches trout
- ultrafastidious — extremely fastidious
- ultrafiltration — Physical Chemistry. a filter for purifying sols, having a membrane with pores sufficiently small to prevent the passage of the suspended particles.
- ultramicrofiche — ultrafiche.
- un-fortuitously — happening or produced by chance; accidental: a fortuitous encounter.
- unaffordability — that can be afforded; believed to be within one's financial means: attractive new cars at affordable prices.
- uninformatively — in an uninformative manner
- vector function — a function that assigns a vector to each point in a given set.
- vicar of christ — the pope, with reference to his claim to stand in the place of Jesus Christ and possess His authority in the church.
- viral infection — disease caused by a virus
- visser 't hooft — Willem Adolf [vil-uh m ah-dawlf] /ˈvɪl əm ˈɑ dɔlf/ (Show IPA), 1900–85, Dutch Protestant clergyman and writer: leader in ecumenical movement.
- vulgar fraction — common fraction.
- warrant officer — (in the U.S. Armed Forces) an officer of one of four grades ranking above enlisted personnel and below commissioned officers.
- weatherproofing — Present participle of weatherproof.
- windfall profit — a profit that arises thanks to an external event over which the person profiting had no control
- winter flounder — any of various popular food flatfishes, as Parophrys vetulus of the Pacific (English sole) and Pseudopleuronectes americanus of the Atlantic (winter flounder or blackback flounder)
- writ of summons — a writ requiring one to appear in court to answer a complaint.