15-letter words containing f, l, o, t, w
- 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)
- 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.
- wood woollyfoot — a common yellowish basidiomycetous fungus, Collybia peronata, of broad-leaved woodland, having a hairy tuft at the foot of the stem
- wrongful arrest — the act of arresting someone without proper reason
- yellow goatfish — a schooling goatfish, Mulloidichthys martinicus, inhabiting the Atlantic Ocean from Florida to Panama.