18-letter words containing s, o
- grass-of-parnassus — any plant belonging to the genus Parnassia, of the saxifrage family, growing in marshy areas, having broad, smooth leaves and a single, pale flower.
On this page, we collect all 18-letter words with S-O. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that contains S-O to use in Scrabble or Crossword puzzles.