Open English Wordnet
Nouns
(n)sparkle, twinkle, spark, lightmerriment expressed by a brightness or gleam or animation of countenance“he had a sparkle in his eye”,
“there's a perpetual twinkle in his eyes” (n)sparka small but noticeable trace of some quality that might become stronger“a spark of interest”,
“a spark of decency” (n)sparka small fragment of a burning substance thrown out by burning material or by friction Verbs
(v)spark, sparkleemit or produce sparks“A high tension wire, brought down by a storm, can continue to spark” 