sprinkling vs aspersion

sprinkling and aspersion both are nouns.

Word	Noun	Adjective	Verb	Adverb
sprinkling	Yes	No	No	No
aspersion	Yes	No	No	No

As nouns, sprinkling and aspersion are synonyms defined as:

sprinkling (noun)	aspersion (noun)
the act of sprinkling water in baptism (rare)	an abusive attack on a person's character or good name
the act of sprinkling or splashing water	the act of sprinkling water in baptism (rare)
a light shower that falls in some locations and not others nearby	a disparaging remark
a small number (of something) dispersed haphazardly