monocot family vs liliopsid family

monocot family and liliopsid family both are nouns.

Word	Noun	Adjective	Verb	Adverb
monocot family	Yes	No	No	No
liliopsid family	Yes	No	No	No

As nouns, monocot family and liliopsid family are synonyms defined as:

monocot family and liliopsid family: family of flowering plants having a single cotyledon (embryonic leaf) in the seed

monocot family (noun)	liliopsid family (noun)
family of flowering plants having a single cotyledon (embryonic leaf) in the seed	family of flowering plants having a single cotyledon (embryonic leaf) in the seed