Athrawes
I prefer 'died'. It's straightforward and it can be understood but I can understand the use of 'still birth' having gone through it twice - it's such an horrendous experience and it just takes a little bit of 'edge' off what has happened - for me it was that bit gentler than dead.
I am so sorry, I do hope bringing this up doesn't cause any extra sadness. Not having suffered anything like that myself, I will not pretend I can comprehend the grief of others who have.
I can fully understand that you need language to soften the reality when it happens, But a 'still' birth describes a baby who is just lying there, quite still, which is accurate, born sleeping is pretending things are other than they are.