All at once and Wholly

All at once adverb - All at the same time.

Wholly and all at once are semantically related. in all together topic. In some cases you can use "Wholly" instead an adverb phrase "All at once".

Wholly adverb - To a full extent or degree.

All at once and wholly are semantically related. Sometimes you can use "All at once" instead an adverb "Wholly".