noctambulation vs noctambulism

noctambulation and noctambulism both are nouns.

Word	Noun	Adjective	Verb	Adverb
noctambulation	Yes	No	No	No
noctambulism	Yes	No	No	No

As nouns, noctambulation and noctambulism are synonyms defined as:

Other synonyms of noctambulation include sleepwalking, somnambulation, somnambulism.

noctambulation (noun)	noctambulism (noun)
walking by a person who is asleep	walking by a person who is asleep