valence vs multivalent

valence is a noun but multivalent is not a noun.

Word	Noun	Adjective	Verb	Adverb
valence	Yes	No	No	No
multivalent	No	Yes	No	No

valence (noun)	multivalent (noun)
(chemistry) a property of atoms or radicals; their combining power given in terms of the number of hydrogen atoms (or the equivalent)
(biology) a relative capacity to unite or react or interact as with antigens or a biological substrate

valence (adjective)	multivalent (adjective)
	used of the association of three or more homologous chromosomes during the first division of meiosis
	having more than one valence, or having a valence of 3 or higher
	having many values, meanings, or appeals