cabbage vs head cabbage

cabbage and head cabbage both are nouns.

Word	Noun	Adjective	Verb	Adverb
cabbage	Yes	No	Yes	No
head cabbage	Yes	No	No	No

As nouns, head cabbage is a hyponym of cabbage; that is, head cabbage is a word with a more specific, narrower meaning than cabbage:

cabbage: any of various types of cabbage
head cabbage: any of several varieties of cabbage having a large compact globular head; may be steamed or boiled or stir-fried or used raw in coleslaw

Other hyponyms of cabbage include cole, kail, kale, celery cabbage, Chinese cabbage, Chinese celery, bok choi, bok choy.

As nouns, head cabbage is a hyponym of cabbage; that is, head cabbage is a word with a more specific, narrower meaning than cabbage:

cabbage: any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers
head cabbage: any of various cultivated cabbage plants having a short thick stalk and large compact head of edible usually green leaves

Other hyponyms of cabbage include Brassica oleracea capitata, head cabbage plant.

cabbage (noun)	head cabbage (noun)
any of various types of cabbage	any of several varieties of cabbage having a large compact globular head; may be steamed or boiled or stir-fried or used raw in coleslaw
any of various cultivars of the genus Brassica oleracea grown for their edible leaves or flowers	any of various cultivated cabbage plants having a short thick stalk and large compact head of edible usually green leaves
informal terms for money

cabbage (verb)	head cabbage (verb)
make off with belongings of others