NEVER MERGE: Test PR for adding synonyms

[matentzn]

@twhetzel this is for us to see how "adding synonyms" would look like.

If you are happy with the enormous result (this is a huge impact change potentially), I will create a new PR.

READ THIS

• Do not merge this PR. Create a new one with the correct pipeline step, the ones in hear are simplified by omitting confirmed subclasses so the review is easier.

[twhetzel]

I'll take a look at the qc errors here.