bends vs decompression sickness

bends and decompression sickness both are nouns.

Word	Noun	Adjective	Verb	Adverb
bends	Yes	No	No	No
decompression sickness	Yes	No	No	No

As nouns, bends and decompression sickness are synonyms defined as:

bends and decompression sickness: pain resulting from rapid change in pressure

Other synonyms of bends include aeroembolism, air embolism, caisson disease, gas embolism.

bends (noun)	decompression sickness (noun)
pain resulting from rapid change in pressure	pain resulting from rapid change in pressure