goose skin vs goose bump

goose skin and goose bump both are nouns.

Word	Noun	Adjective	Verb	Adverb
goose skin	Yes	No	No	No
goose bump	Yes	No	No	No

As nouns, goose skin and goose bump are synonyms defined as:

goose skin and goose bump: reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation

Other synonyms of goose skin include goose pimple, goosebump, gooseflesh, horripilation, pilomotor reflex.

goose skin (noun)	goose bump (noun)
reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation	reflex erection of hairs of the skin in response to cold or emotional stress or skin irritation