For the noun meaning "a preliminary version":
* Draft (noun) - a preliminary version of a written work
* Draught (noun) - a current of air (this is the most common homonym)
For the noun meaning "a serving of beer":
* Draft (noun) - a serving of beer from a tap
* Draught (noun) - a serving of beer from a tap (this is the most common homonym)
For the verb meaning "to draw or pull":
* Draft (verb) - to draw or pull something
* Draught (verb) - to draw or pull something (less common usage)
It's important to pay attention to the context to determine the correct meaning and spelling.