numerology vs subject area

numerology and subject area both are nouns.

Word	Noun	Adjective	Verb	Adverb
numerology	Yes	No	No	No
subject area	Yes	No	No	No

As nouns, subject area is a hypernym of numerology; that is, subject area is a word with a broader meaning than numerology:

numerology: the study of the supposed occult influence of numbers on human affairs
subject area: a branch of knowledge

Other hypernyms of numerology include bailiwick, discipline, field, field of study, study, subject, subject field.

numerology (noun)	subject area (noun)
the study of the supposed occult influence of numbers on human affairs	a branch of knowledge