goose bump vs gooseflesh

goose bump and gooseflesh both are nouns.

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

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

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

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

goose bump (noun)	gooseflesh (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