dicot vs flowering plant

dicot and flowering plant both are nouns.

Word	Noun	Adjective	Verb	Adverb
dicot	Yes	No	No	No
flowering plant	Yes	No	No	No

As nouns, flowering plant is a hypernym of dicot; that is, flowering plant is a word with a broader meaning than dicot:

dicot: flowering plant with two cotyledons; the stem grows by deposit on its outside
flowering plant: plants having seeds in a closed ovary

Other hypernyms of dicot include angiosperm.

dicot (noun)	flowering plant (noun)
flowering plant with two cotyledons; the stem grows by deposit on its outside	plants having seeds in a closed ovary