The term 'sapling' refers to a young tree, usually one that is less than a year old. The crossword solutions for this term are 'tree' (4 letters), 'TILLER' (6 letters), and 'treelet' (7 letters). A tree is a woody perennial plant, typically having a single stem or trunk growing to a considerable height and bearing lateral branches at some distance from the ground. A TILLER is a tool used to cultivate soil, and a treelet is a small tree or shrub.