Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
Kangaroo word: catacomb
Joey word: tomb
catacomb (noun): an underground cemetery consisting of a subterranean gallery with recesses for tombs, as constructed by the ancient Romans.
tomb (noun): a large vault, typically an underground one, for burying the dead.
The letters T, O, M, and B found within the kangaroo word “catacomb” arrange in the listed order to complete the joey word “tomb”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: underground tomb for the dead.