Definitions in relation to their use in kangaroo words, taken from Google Dictionary, and edited for formatting.
Kangaroo word: asseverate
Joey word: aver
asseverate (verb): declare or state solemnly or emphatically.
aver (verb): state or assert to be the case.
The letters A, V, E, and R found within the kangaroo word “asseverate” arrange in the listed order to complete the joey word “aver”. While a word can have multiple definitions, in relation to their use with kangaroo words, these two words share a similar meaning: declare.