Kangaroo word: sextuplet
Joey word: sextet
Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
The letters S, E, X, T, E, and T found within the kangaroo word “sextuplet” arrange in the listed order to complete the joey word “sextet”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: six of something.