application vs tiling

application and tiling both are nouns.

Word	Noun	Adjective	Verb	Adverb
application	Yes	No	No	No
tiling	Yes	No	No	No

As nouns, tiling is a hyponym of application; that is, tiling is a word with a more specific, narrower meaning than application:

application (noun)	tiling (noun)
the action of putting something into operation	the application of tiles to cover a surface
a diligent effort
the act of bringing something to bear; using it for a particular purpose
the work of applying something
liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin
a verbal or written request for assistance or employment or admission to a school
a program that gives a computer instructions that provide the user with tools to accomplish a task