cicatrice vs keloid

cicatrice and keloid both are nouns.

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

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

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

Other hyponyms of cicatrice include callus, cheloid, pockmark, sword-cut, vaccination.

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