NUCLEI is a playable word

nucleus Scrabble® Dictionary

noun
pl. nucleuses or nuclei
an essential part of a cell

34 Playable Words can be made from "NUCLEI"

   2-Letter Words (7 found)

   3-Letter Words (11 found)

   4-Letter Words (11 found)

   5-Letter Words (3 found)

   6-Letter Words (2 found)