Yes, trace is a Scrabble word!

Verb

1. Follow, discover, or ascertain the course of development of something

2. Make a mark or lines on a surface

3. To go back over again

4. Pursue or chase relentlessly

5. Discover traces of

6. Make one's course or travel along a path; travel or pass over, around, or along

7. Copy by following the lines of the original drawing on a transparent sheet placed upon it; make a tracing of

8. Read with difficulty

Noun

1. A just detectable amount

2. An indication that something has been present

3. A suggestion of some quality

4. A drawing created by superimposing a semitransparent sheet of paper on the original image and copying on it the lines of the original image

5. Either of two lines that connect a horse's harness to a wagon or other vehicle or to a whiffletree

6. A visible mark (as a footprint) left by the passage of person or animal or vehicle