icon vs computing

icon and computing both are nouns.

Word	Noun	Adjective	Verb	Adverb
icon	Yes	No	No	No
computing	Yes	No	No	No

icon (noun)	computing (noun)
a visual representation (of an object or scene or person or abstraction) produced on a surface	the procedure of calculating; determining something by mathematical or logical methods
a conventional religious painting in oil on a small wooden panel; venerated in the Eastern Church	the branch of engineering science that studies (with the aid of computers) computable processes and structures
(computer science) a graphic symbol (usually a simple picture) that denotes a program or a command or a data file or a concept in a graphical user interface