order Primates vs Adapid group

order Primates and Adapid group both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Primates	Yes	No	No	No
Adapid group	Yes	No	No	No

order Primates (noun)	Adapid group (noun)
an animal order including lemurs and tarsiers and monkeys and apes and human beings	extinct small mostly diurnal lower primates that fed on leaves and fruit; abundant in North America and Europe 30 to 50 million years ago; their descendants probably include the lemurs; some authorities consider them ancestral to anthropoids but others consider them only cousins