obiter dictum vs dictum

obiter dictum and dictum both are nouns.

Word	Noun	Adjective	Verb	Adverb
obiter dictum	Yes	No	No	No
dictum	Yes	No	No	No

As nouns, obiter dictum and dictum are synonyms defined as:

obiter dictum and dictum: an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding

obiter dictum (noun)	dictum (noun)
an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding	an authoritative declaration
an incidental remark	an opinion voiced by a judge on a point of law not directly bearing on the case in question and therefore not binding