dekameter vs dkm

dekameter and dkm both are nouns.

Word	Noun	Adjective	Verb	Adverb
dekameter	Yes	No	No	No
dkm	Yes	No	No	No

As nouns, dekameter and dkm are synonyms defined as:

Other synonyms of dekameter include dam, decameter, decametre, dekametre.

dekameter (noun)	dkm (noun)
a metric unit of length equal to ten meters	a metric unit of length equal to ten meters