spinal fluid vs bodily fluid

spinal fluid and bodily fluid both are nouns.

Word	Noun	Adjective	Verb	Adverb
spinal fluid	Yes	No	No	No
bodily fluid	Yes	No	No	No

As nouns, bodily fluid is a hypernym of spinal fluid; that is, bodily fluid is a word with a broader meaning than spinal fluid:

spinal fluid: clear liquid produced in the ventricles of the brain; fills and protects cavities in the brain and spinal cord
bodily fluid: the liquid parts of the body

Other hypernyms of spinal fluid include body fluid, humor, humour, liquid body substance.

spinal fluid (noun)	bodily fluid (noun)
clear liquid produced in the ventricles of the brain; fills and protects cavities in the brain and spinal cord	the liquid parts of the body