18-letter words containing ostra
- chronostratigraphy — The branch of geology concerned with establishing the absolute ages of strata.
- lithostratigraphic — Of or pertaining to lithostratigraphy.
On this page, we collect all 18-letter words with OSTRA. It’s easy to find right word with a certain length. It is the easiest way to find 18-letter word that contains OSTRA to use in Scrabble or Crossword puzzles.