macadamise vs macadam

macadamise is not a noun while macadam is a noun.

Word	Noun	Adjective	Verb	Adverb
macadamise	No	No	Yes	No
macadam	Yes	No	Yes	No

As verbs, macadamise and macadam are synonyms defined as:

Other synonyms of macadamise include macadamize, tarmac.

macadamise (noun)	macadam (noun)
	a paved surface having compressed layers of broken rocks held together with tar
	broken stone used in macadamized roadways

macadamise (verb)	macadam (verb)
surface with macadam	surface with macadam