ChangingTree is an easy to say brand name. The core elements of the name are (changing) and (tree). ChangingTree is a great name for anything involving recreation, climbing, business-to-business.
PurAid is a fun and whimsical name, but has a serious side to it. The idea behind this name can be found in the primary characters (pu) and (raid). This is a gripping business name that can be employed in both consumer and business markets.