lap joint vs splice

lap joint and splice both are nouns.

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

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

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

lap joint (noun)	splice (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

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