splice vs solemnise

splice is a noun but solemnise is not a noun.

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

As verbs, solemnise is a hyponym of splice; that is, solemnise is a word with a more specific, narrower meaning than splice:

Other hyponyms of splice include solemnize.

splice (noun)	solemnise (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)	solemnise (verb)
join by interweaving strands	make solemn and grave
join the ends of	observe or perform with dignity or gravity
join together so as to form new genetic combinations	perform (the wedding ceremony) with proper ceremonies
perform a marriage ceremony