There's at least one word that can follow MANGILY.
There are at least 3 words that can follow MALIGNLY.
I found geminally at m-w, Mac!
One entry found for geminal.
Main Entry: gem·i·nal
Pronunciation: 'je-m&-n&l
Function: adjective
Etymology: Latin geminus twin
: relating to or characterized by two usually similar substituents on the same atom
- gem·i·nal·ly /-n&l-E/ adverb
aloha
(Let's hear it for those vowels!)