Replacements
A replacement tells Speechy: when you hear this, write that instead. Add one in Settings, Dictionary on your Mac with Add a replacement turned on, and choose All apps or just one app. Replacements match whole words in any case, so they never change part of a longer word.
How to use Replacements
Turn on Add a replacement
In Settings, Dictionary, under the add box.
Fill in both sides
Speechy hears, then Write it as.
Pick where
All apps, or Choose app for just one.
It's fixed as you talk
Every time, without you touching it.
What you set, what it types
Cursor, with sequel → SQL just for CursorYou say
“write the sequel for this”
It types
Write the SQL for this
Any app, with jay pea → JP
You say
“sign it jay pea”
It types
Sign it JP.
Questions
No. Replacements match whole words, in any case. A rule for "speechy" fixes SPEECHY and speechy, never speechyness.
Yes. Choose the app in the "in" menu when you add it. A rule for one app wins over a rule for all apps.
Yes. In History, open a dictation and press Fix a misheard word. Or retype the word after it pastes and press Add on the pill.