conjunction vs splicing

conjunction and splicing both are nouns.

Word	Noun	Adjective	Verb	Adverb
conjunction	Yes	No	No	No
splicing	Yes	No	No	No

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

conjunction: something that joins or connects
splicing: a junction where two things (as paper or film or magnetic tape) have been joined together

Other hyponyms of conjunction include contact, tangency, joint, barrier strip, junction barrier, splice, thermojunction.

conjunction (noun)	splicing (noun)
something that joins or connects	a junction where two things (as paper or film or magnetic tape) have been joined together
the temporal property of two things happening at the same time
an uninflected function word that serves to conjoin words or phrases or clauses or sentences
(astronomy) apparent meeting or passing of two or more celestial bodies in the same degree of the zodiac
the grammatical relation between linguistic units (words or phrases or clauses) that are connected by a conjunction
the state of being joined together