disposition vs cheerfulness

disposition and cheerfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
disposition	Yes	No	No	No
cheerfulness	Yes	No	No	No

disposition (noun)	cheerfulness (noun)
the act or means of getting rid of something	the quality of being cheerful and dispelling gloom
your usual mood	a feeling of spontaneous good spirits
a natural or acquired habit or characteristic tendency in a person or thing
an attitude of mind especially one that favors one alternative over others