Nouns

(n)scattering, sprinklinga small number (of something) dispersed haphazardly“the first scatterings of green”, “a sprinkling of grey at his temples”
(n)scattering, sprinkle, sprinklinga light shower that falls in some locations and not others nearby
(n)aspersion, sprinklingthe act of sprinkling water in baptism (rare)
(n)sprinkle, sprinkling, spargethe act of sprinkling or splashing water“baptized with a sprinkling of holy water”, “a sparge of warm water over the malt”