espouse vs splice

espouse is not a noun while splice is a noun.

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

espouse (noun)	splice (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

espouse (verb)	splice (verb)
take up the cause, ideology, practice, method, of someone and use it as one's own	join by interweaving strands
choose and follow; as of theories, ideas, policies, strategies or plans	join the ends of
take in marriage; married	join together so as to form new genetic combinations
	perform a marriage ceremony