A homophone for by means of?

There isn't a perfect homophone for "by means of", as it's a phrase, not a single word. However, you could use "by way of" as a close substitute, which has a similar meaning and sounds very similar.

Here's an example:

* Original: He escaped by means of a secret tunnel.

* Using homophone: He escaped by way of a secret tunnel.

While "by way of" isn't exactly a homophone, it's the closest you'll get to a similar-sounding phrase with a similar meaning.