NEUSTON is a playable word

neuston Scrabble® Dictionary

noun
pl. neustons
an aggregate of small aquatic organisms
(adjective) neustic
102 Playable Words can be made from "NEUSTON"
   2-Letter Words (15 found)
   3-Letter Words (30 found)
   6-Letter Words (7 found)
   7-Letter Words (1 found)