Kangaroo word: spittle
Joey word: spit
Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
spittle (noun): saliva, especially as ejected from the mouth.
spit (noun): saliva, typically that which has been ejected from a person’s mouth.
The letters S, P, I, and T found within the kangaroo word “spittle” arrange in the listed order to complete the joey word “spit”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: saliva.