preparation vs cleaner

preparation and cleaner both are nouns.

Word	Noun	Adjective	Verb	Adverb
preparation	Yes	No	No	No
cleaner	Yes	No	No	No

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

preparation (noun)	cleaner (noun)
activity leading to skilled behavior	a preparation used in cleaning something
preparatory school work done outside school (especially at home)	someone whose occupation is cleaning
the activity of putting or setting in order in advance of some act or purpose	the operator of dry-cleaning establishment
the act of preparing something (as food) by the application of heat
the cognitive process of thinking about what you will do in the event of something happening
(music) a note that produces a dissonant chord is first heard in a consonant chord
the state of having been made ready or prepared for use or action (especially military action)
a substance prepared according to a formula