gooseneck barnacle vs goose barnacle

gooseneck barnacle and goose barnacle both are nouns.

Word	Noun	Adjective	Verb	Adverb
gooseneck barnacle	Yes	No	No	No
goose barnacle	Yes	No	No	No

As nouns, gooseneck barnacle and goose barnacle are synonyms defined as:

gooseneck barnacle and goose barnacle: stalked barnacle that attaches to ship bottoms or floating timbers

Other synonyms of gooseneck barnacle include Lepas fascicularis.

gooseneck barnacle (noun)	goose barnacle (noun)
stalked barnacle that attaches to ship bottoms or floating timbers	stalked barnacle that attaches to ship bottoms or floating timbers