Kangaroo words and joeys
A joey is a young kangaroo or other marsupial. The kangaroos are carrying their joeys in pouches. A kangaroo word is a word that carries a joey, a smaller word of similar meaning, in themselves.
masculine: masculine + male
chicken: chicken + hen
honorable: honorable + noble
blossom: blossom + bloom
A word that contains two similar words in them is a grand kangaroo:
container, container: container + can + tin
An anti-kangaroo is a word that contains a word with opposite meaning:
covert: covert + overt
Do you know more kangaroo words in English or other languages?