The term 'KIND OF BARK' can be solved by two crossword solutions: ELM (3 letters) and WOOF (4 letters). ELM is a type of tree, belonging to the Ulmaceae family, which is native to temperate regions of Europe, Asia, and North America. The bark of an ELM tree is rough and scaly. WOOF is an onomatopoeic word used to describe the sound made by a dog. It is also used as a verb to describe the act of a dog barking.