12-letter words containing f, e, r, o, s, i
- testificator — a person who witnesses
- titaniferous — containing or yielding titanium.
- trace fossil — a fossilized track, trail, burrow, boring, or other structure in sedimentary rock that records the presence or behavior of the organism that made it.
- transfection — the insertion into a cell of a bacterial plasmid that contains a foreign virus or genetic material.
- tuberiferous — bearing or producing tubers
- tubuliferous — bearing or made up of tubules.
- unforeseeing — not foreseeing
- unwished-for — undesired; unwelcome: an unwished-for occurrence.
- viruliferous — carrying a virus
- vociferosity — the characteristic of being vociferous
- vociferously — crying out noisily; clamorous.