capelin vs capelan

capelin and capelan both are nouns.

Word	Noun	Adjective	Verb	Adverb
capelin	Yes	No	No	No
capelan	Yes	No	No	No

As nouns, capelin and capelan are synonyms defined as:

capelin and capelan: very small northern fish; forage for sea birds and marine mammals and other fishes

Other synonyms of capelin include caplin.

capelin (noun)	capelan (noun)
very small northern fish; forage for sea birds and marine mammals and other fishes	very small northern fish; forage for sea birds and marine mammals and other fishes