Spittle
131froth-spit — n. Cuckoo spittle, frog spit, frog spittle …
132froghopper — /ˈfrɒghɒpə/ (say froghopuh) noun any of various small, leaping, homopterous insects, family Cercopidae, whose young live in a spittle like secretion on plants; spittle insect; cuckoo spit …