15-letter words starting with actin
- actinide series — a series of 15 radioactive elements with increasing atomic numbers from actinium to lawrencium
- actinium series — a radioactive decay series that starts with uranium-235 and ends with lead-207
- actinochemistry — the branch of chemistry dealing with actinism; photochemistry.
- actinopterygian — belonging or pertaining to the Actinopterygii, a group of bony fishes.
On this page, we collect all 15-letter words starting with ACTIN. It’s easy to find right word with a certain length. It is the easiest way to find 15-letter word that beginning with ACTIN to use in Scrabble or Crossword puzzles.