realise vs commerce

realise is not a noun while commerce is a noun.

Word	Noun	Adjective	Verb	Adverb
realise	No	No	Yes	No
commerce	Yes	No	No	No

realise (noun)	commerce (noun)
	transactions (sales and purchases) having the objective of supplying commodities (goods and services)
	social exchange, especially of opinions, attitudes, etc.

realise (verb)	commerce (verb)
perceive (an idea or situation) mentally
be fully aware or cognizant of
make real or concrete; give reality or substance to
expand or complete (a part in a piece of baroque music) by supplying the harmonies indicated in the figured bass
convert into cash; of goods and property
earn on some commercial or business transaction; earn as salary or wages