centner vs doppelzentner

centner and doppelzentner both are nouns.

Word	Noun	Adjective	Verb	Adverb
centner	Yes	No	No	No
doppelzentner	Yes	No	No	No

As nouns, centner and doppelzentner are synonyms defined as:

centner and doppelzentner: a unit of weight equal to 100 kilograms in the metric system

Other synonyms of centner include hundredweight, metric hundredweight.

centner (noun)	doppelzentner (noun)
a United States unit of weight equivalent to 100 pounds	a unit of weight equal to 100 kilograms in the metric system
in some European countries: a unit of weight equivalent to 50 kilograms
a unit of weight equal to 100 kilograms in the metric system