Splatch

[I]t appear'd through the Microscope gray, like a great splatch of London dirt […]

Source: wiktionary

Stanton described Lincoln as "A long, lank creature from Illinois, wearing a dirty linen duster for a coat, on the back of which the perspiration had splatched wide stains that resembled a map of the continent."

Source: wiktionary

Where cows are headed up to the wall and are fed with turnips in winter, the place around them very soon gets splatched with earth off the roots;

Source: wiktionary

The female lays four or five eggs, of a dull white colour, splatched with brown and black, with a very hard, smooth shell.

Source: wiktionary