As nouns the difference between scullion and cullion
is that scullion is a servant of the lower classes while cullion is testicle.
scullion
English
Etymology 1
Either from (etyl) by influence of scullery.
Noun
(
en noun)
A servant of the lower classes.
Usage notes
* Used as a pejorative during the 1400s.
Etymology 2
Anagrams
*
cullion
English
Noun
(
en noun)
Testicle.
A vile person.
References
* Holinshed's Chronicles