Nouns

(n)spatter, spattering, splatter, splattering, sputter, splutter, sputteringthe noise of something spattering or sputtering explosively“he heard a spatter of gunfire”
(n)sputter, splutteran utterance (of words) with spitting sounds (as in rage)

Verbs

(v)sputtermake an explosive sound“sputtering engines”
(v)sputtercause to undergo a process in which atoms are removed“The solar wind protons must sputter away the surface atoms of the dust”
(v)clamber, scramble, shin, shinny, skin, struggle, sputterclimb awkwardly, as if by scrambling
(v)sputter, splutterutter with a spitting sound, as if in a rage
(v)splutter, sputter, spit outspit up in an explosive manner