crib death vs SIDS

crib death and SIDS both are nouns.

Word	Noun	Adjective	Verb	Adverb
crib death	Yes	No	No	No
SIDS	Yes	No	No	No

As nouns, crib death and SIDS are synonyms defined as:

crib death and SIDS: sudden and unexpected death of an apparently healthy infant during sleep

Other synonyms of crib death include cot death, infant death, sudden infant death syndrome.

crib death (noun)	SIDS (noun)
sudden and unexpected death of an apparently healthy infant during sleep	sudden and unexpected death of an apparently healthy infant during sleep