splice vs splicing

splice and splicing both are nouns.

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

As nouns, splice and splicing are synonyms defined as:

splice and splicing: a junction where two things (as paper or film or magnetic tape) have been joined together

splice (noun)	splicing (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
a junction where two things (as paper or film or magnetic tape) have been joined together

splice (verb)	splicing (verb)
join by interweaving strands
join the ends of
join together so as to form new genetic combinations
perform a marriage ceremony