Kangaroo word: interfuse
Joey word: infuse
Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
The letters I, N, F, U, S, and E found within the kangaroo word “interfuse” arrange in the listed order to complete the joey word “infuse”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: pervade.