beluga vs hausen

beluga and hausen both are nouns.

Word	Noun	Adjective	Verb	Adverb
beluga	Yes	No	No	No
hausen	Yes	No	No	No

As nouns, beluga and hausen are synonyms defined as:

beluga and hausen: valuable source of caviar and isinglass; found in Black and Caspian seas

Other synonyms of beluga include Acipenser huso, white sturgeon.

beluga (noun)	hausen (noun)
valuable source of caviar and isinglass; found in Black and Caspian seas	valuable source of caviar and isinglass; found in Black and Caspian seas
small northern whale that is white when adult