Kangaroo word: quintuplet
Joey word: quintet
Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
quintuplet (noun): each of five children born to the same mother at one birth.
quintet (noun): any group of five people or things.
The letters Q, U, I, N, T, E, and T found within the kangaroo word “quintuplet” arrange in the listed order to complete the joey word “quintet”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: five of something.