Yes, stems is a Scrabble word!

Verb

1. Grow out of, have roots in, originate in

2. Cause to point inward

3. Stop the flow of a liquid

4. Remove the stem from

Noun

1. (linguistics) the form of a word after all affixes are removed

2. A slender or elongated structure that supports a plant or fungus or a plant part or plant organ

3. Cylinder forming a long narrow part of something

4. The tube of a tobacco pipe

5. Front part of a vessel or aircraft

6. A turn made in skiing; the back of one ski is forced outward and the other ski is brought parallel to it