How to correctly spell grandbabies? grand babies or grandbabies or ?
Using it in two words isn't defined the same as in one word (though the intention is basically interpreted as one except formally).. Intead, just use 'grandchildren' and be done with it.
I would say grandbabies. As Anothernonymous said, it's like grandmother, grandfather and grandchildren.
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Other people asked questions on various topics, and are still waiting for answer. Would be great if you can take a sec and answer them