The term 'KIND OF FIR' can be solved by two crossword solutions: BALSAM (6 letters) and DOUGLAS (7 letters). BALSAM Fir is a species of fir tree native to North America, and is also known as the Eastern Fir. It is a popular choice for Christmas trees due to its strong branches and pleasant aroma. Douglas Fir is a species of fir tree native to western North America, and is the most commercially important timber species in the Pacific Northwest. It is also used for construction, furniture, and paper production.