emanation vs venting

emanation and venting both are nouns.

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

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

Other hyponyms of emanation include radiation, discharge.

emanation (noun)	venting (noun)
the act of emitting; causing to flow forth	the act of venting
(theology) the origination of the Holy Spirit at Pentecost
something that is emitted or radiated (as a gas or an odor or a light, etc.)