15-letter words containing r, i, d, e, f, o
- thermodiffusion — thermal diffusion.
- three of a kind — a set of three cards of the same denomination.
- to make friends — If you make friends with someone, you begin a friendship with them. You can also say that two people make friends.
- transfer window — the period during the year in which a football club can transfer players from other teams into their own
- 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
- undress uniform — a uniform worn on other than formal occasions.
- video frequency — transmission frequency of the television picture.
- videoconference — a teleconference conducted via television equipment.
- 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)