pend, pens = hang.
1. Append. To hang or attach to.
2. An appendage is that which hangs to something as a part of it. “This little pensive appendage or tender (the moon) to our fuming engine of an earth.”—De Quincey.
3. Depend. To hang from; to be fastened or attached to something above; to rely upon.
4. A dependent is one who hangs (figuratively), or relies on another for support.
8. Impend. To hang over, be ready to fall; threaten. “We seriously consider the dreadful judgments that now impend the nation.”—Penn.
9. A pendant is that which hangs from something else; as, an earring or a tassel.
10. The pendulum of a clock hangs and swings to and fro.
11. A plumb line is a line perpendicular to the horizon, hanging (through the air).