splashed vs spattered

splashed and spattered both are adjectives.

Word	Noun	Adjective	Verb	Adverb
splashed	No	Yes	No	No
spattered	No	Yes	No	No

As adjectives, splashed and spattered are synonyms defined as:

splashed and spattered: covered with bright patches (often used in combination)

Other synonyms of splashed include dabbled, splattered.

splashed (adjective)	spattered (adjective)
covered with bright patches (often used in combination)	covered with bright patches (often used in combination)
(of a fluid) having been propelled about in flying drops or masses