emanation vs ectoplasm

emanation and ectoplasm both are nouns.

Word	Noun	Adjective	Verb	Adverb
emanation	Yes	No	No	No
ectoplasm	Yes	No	No	No

As nouns, ectoplasm is a hyponym of emanation; that is, ectoplasm is a word with a more specific, narrower meaning than emanation:

emanation: something that is emitted or radiated (as a gas or an odor or a light, etc.)
ectoplasm: (spiritualism) a substance supposed to emanate from the body of the medium during a trance

emanation (noun)	ectoplasm (noun)
the act of emitting; causing to flow forth	the outer granule-free layer of cytoplasm
(theology) the origination of the Holy Spirit at Pentecost	(spiritualism) a substance supposed to emanate from the body of the medium during a trance
something that is emitted or radiated (as a gas or an odor or a light, etc.)