ichor vs liquid body substance

ichor and liquid body substance both are nouns.

Word	Noun	Adjective	Verb	Adverb
ichor	Yes	No	No	No
liquid body substance	Yes	No	No	No

As nouns, liquid body substance is a hypernym of ichor; that is, liquid body substance is a word with a broader meaning than ichor:

Other hypernyms of ichor include bodily fluid, body fluid, humor, humour.

ichor (noun)	liquid body substance (noun)
a fluid product of inflammation	the liquid parts of the body
(Greek mythology) the rarified fluid said to flow in the veins of the Gods