cheloid vs cicatrice

cheloid and cicatrice both are nouns.

Word	Noun	Adjective	Verb	Adverb
cheloid	Yes	No	No	No
cicatrice	Yes	No	No	No

As nouns, cicatrice is a hypernym of cheloid; that is, cicatrice is a word with a broader meaning than cheloid:

cheloid: raised pinkish scar tissue at the site of an injury; results from excessive tissue repair
cicatrice: a mark left (usually on the skin) by the healing of injured tissue

Other hypernyms of cheloid include cicatrix, scar.

cheloid (noun)	cicatrice (noun)
raised pinkish scar tissue at the site of an injury; results from excessive tissue repair	a mark left (usually on the skin) by the healing of injured tissue