intragroup vs internal

intragroup and internal both are adjectives.

Word	Noun	Adjective	Verb	Adverb
intragroup	No	Yes	No	No
internal	No	Yes	No	No

As adjectives, intragroup and internal are synonyms defined as:

intragroup (adjective)	internal (adjective)
occurring within an institution or community	happening or arising or located within some limits or especially surface
	inside the country
	occurring within an institution or community
	innermost or essential
	located inward