Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
Kangaroo word: arena
Joey word: area
arena (noun): a level area surrounded by seats for spectators, in which sports, entertainments, and other public events are held.
area (noun): a space allocated for a specific purpose.
The letters A, R, E, and A found within the kangaroo word “arena” arrange in the listed order to complete the joey word “area”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: a space designated for a specific purpose such as a sporting event.