Nouns

(n)swashthe movement or sound of water“the swash of waves on the beach”

Verbs

(v)swashmake violent, noisy movements
(v)spatter, splatter, plash, splash, splosh, swashdash a liquid upon or against“The mother splashed the baby's face with water”
(v)swagger, bluster, swashact in an arrogant, overly self-assured, or conceited manner