Truthfully, the words are not "forbidden". Using them in a grant application might decrease the chances of receiving a grant. Nothing stops anyone from using them.
Just like getting demonetized on YouTube, then. Maybe we'll see grant proposals to study "dis@bility progression in Multiple Sclerosis", "light p0larization" and "weights and b!ases"
"A systematic review of studies on the possible relationship between high lead levels in soil, and rates of unaliving."