cockscomb vs common cockscomb

cockscomb and common cockscomb both are nouns.

Word	Noun	Adjective	Verb	Adverb
cockscomb	Yes	No	No	No
common cockscomb	Yes	No	No	No

As nouns, cockscomb and common cockscomb are synonyms defined as:

cockscomb and common cockscomb: garden annual with featherlike spikes of red or yellow flowers

Other synonyms of cockscomb include Celosia argentea cristata, Celosia cristata.

cockscomb (noun)	common cockscomb (noun)
the fleshy red crest on the head of the domestic fowl and other gallinaceous birds	garden annual with featherlike spikes of red or yellow flowers
a cap worn by court jesters; adorned with a strip of red
a conceited dandy who is overly impressed by his own accomplishments
garden annual with featherlike spikes of red or yellow flowers