noctambulation vs somnambulation

noctambulation and somnambulation both are nouns.

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

As nouns, noctambulation and somnambulation are synonyms defined as:

Other synonyms of noctambulation include noctambulism, sleepwalking, somnambulism.

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