"nuclei" - key terms from Wikipedia

active galactic nuclei
atomic nuclei
basal nuclei
cerebellar nuclei
comet nuclei
compatible nuclei
condensation nuclei
deep cerebellar nuclei
deep nuclei
hydrogen nuclei
hypothalamic nuclei
light nuclei
nmr active nuclei
nuclei
nuclei	following
polar nuclei
pontine nuclei
raphe nuclei
small nuclei
such nuclei
superheavy nuclei
thalamic nuclei
two nuclei
vestibular nuclei
vowel nuclei