kt vs carat

kt and carat both are nouns.

Word	Noun	Adjective	Verb	Adverb
kt	Yes	No	No	No
carat	Yes	No	No	No

As nouns, kt and carat are synonyms defined as:

kt and carat: the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold

Other synonyms of kt include karat.

kt (noun)	carat (noun)
the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold	a unit of weight for precious stones = 200 mg
	the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold