The term 'Young Grizzly' can be broken down into two crossword solutions: CUB (3 letters) and BEARCUB (7 letters). A CUB is a young animal, usually referring to a young bear. A bear CUB is a young grizzly bear, specifically. Grizzly bears are large mammals native to North America, with adults weighing up to 800 pounds. Young grizzly bears, or cubs, are born in the spring and typically stay with their mother for two to three years before becoming independent.