Group 14 element vs carbon group element

Group 14 element and carbon group element both are nouns.

Word	Noun	Adjective	Verb	Adverb
Group 14 element	Yes	No	No	No
carbon group element	Yes	No	No	No

As nouns, Group 14 element and carbon group element are synonyms defined as:

Group 14 element and carbon group element: any chemical element that belongs to the carbon group.

Other synonyms of Group 14 element include crystallogen, tetragen, tetrel.

Group 14 element (noun)	carbon group element (noun)
any chemical element that belongs to the carbon group.	any chemical element that belongs to the carbon group.