8-letter words containing f, u, s, l, i
- subfluid — viscous or somewhere between liquid and solid
- suffixal — Grammar. an affix that follows the element to which it is added, as -ly in kindly.
- sulfinyl — containing the sulfinyl group; thionyl.
- sulfonic — sulfo.
- sulfuric — of, relating to, or containing sulfur, especially in the hexavalent state.
- tristful — full of sadness; sorrowful.
- unsinful — characterized by, guilty of, or full of sin; wicked: a sinful life.
- whistful — Peaceful, tranquil.