splice vs lap joint

splice and lap joint both are nouns.

Word	Noun	Adjective	Verb	Adverb
splice	Yes	No	Yes	No
lap joint	Yes	No	No	No

As nouns, splice and lap joint are synonyms defined as:

splice and lap joint: joint made by overlapping two ends and joining them together

splice (noun)	lap joint (noun)
joint made by overlapping two ends and joining them together	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)	lap joint (verb)
join by interweaving strands
join the ends of
join together so as to form new genetic combinations
perform a marriage ceremony