absolute value vs numerical value

absolute value and numerical value both are nouns.

Word	Noun	Adjective	Verb	Adverb
absolute value	Yes	No	No	No
numerical value	Yes	No	No	No

As nouns, absolute value and numerical value are synonyms defined as:

absolute value and numerical value: a real number regardless of its sign

absolute value (noun)	numerical value (noun)
a real number regardless of its sign	a real number regardless of its sign