infectious vs contaminating

infectious and contaminating both are adjectives.

Word	Noun	Adjective	Verb	Adverb
infectious	No	Yes	No	No
contaminating	No	Yes	No	No

infectious (adjective)	contaminating (adjective)
easily spread	spreading pollution or contamination; especially radioactive contamination
of or relating to infection	that infects or taints
caused by infection or capable of causing infection