Yes, can is a Scrabble word!

Verb

1. Preserve in a can or tin

2. Terminate the employment of; discharge from an office or position

Noun

1. Airtight sealed metal container for food or drink or paint etc.

2. The quantity contained in a can

3. A buoy with a round bottom and conical top

4. The fleshy part of the human body that you sit on

5. A plumbing fixture for defecation and urination

6. A room or building equipped with one or more toilets