retrogression
13 letters · noun · scores 4,200 in SpellHuntr
noun
passing from a more complex to a simpler biological form
retrogression is a valid word in SpellHuntr, worth 4,200 points (13 letters — longer words score more). Spell it in a live game →
Find every word you can make from the letters in retrogression →
More 13-letter words →