implicit in vs underlying

implicit in and underlying both are adjectives.

Word	Noun	Adjective	Verb	Adverb
implicit in	No	Yes	No	No
underlying	No	Yes	No	No

As adjectives, implicit in and underlying are synonyms defined as:

implicit in and underlying: in the nature of something though not readily apparent

Other synonyms of implicit in include inherent.

implicit in (adjective)	underlying (adjective)
in the nature of something though not readily apparent	being or involving basic facts or principles
	in the nature of something though not readily apparent
	located beneath or below