The term 'dog greetings' can refer to the various ways that dogs show affection and recognition to one another. One of the most common forms of dog greeting is licking, which is a five-letter word that can be used to complete the crossword solution. Licking is a sign of affection and is often used by dogs to show their love and appreciation for one another. It is also used as a way to show submission and respect. Dogs may also lick their owners as a sign of affection and loyalty.