splice vs entwine

splice is a noun but entwine is not a noun.

Word	Noun	Adjective	Verb	Adverb
splice	Yes	No	Yes	No
entwine	No	No	Yes	No

As verbs, entwine is a hypernym of splice; that is, entwine is a word with a broader meaning than splice:

Other hypernyms of splice include enlace, interlace, intertwine, lace, twine.

splice (noun)	entwine (noun)
joint made by overlapping two ends and joining them together
a junction where two things (as paper or film or magnetic tape) have been joined together

splice (verb)	entwine (verb)
join by interweaving strands	spin, wind, or twist together
join the ends of	tie or link together
join together so as to form new genetic combinations
perform a marriage ceremony