Kangaroo word: feast
Joey word: eat
Definitions (in relation to their use in kangaroo words):
Definitions taken from Google Dictionary and edited for formatting.
The letters E, A, and T found within the kangaroo word “feast” arrange in the listed order to complete the joey word “eat”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: chew and swallow food.