i Register
In some senses, remaining is marked as obsolete, rare. Watch for register when choosing this word.
noun
An act or occurrence by which someone or something remains
For where Gelasius saith, that "there remaineth the substance or nature of bread and wine," to declare thereby the remaining of two natures in Christ, you say, that "Gelasius' saying may be verified in the last, and not in the first," that is to say, that the nature of bread and wine remaineth.
It is important for us to know to what extent the remaining of that naval force is advantageous, and I hope therefore, that you will seek an opportunity informally to confer upon this question, […]
remnant.
adj
Which remains, especially after something else has been removed.
May I have the only remaining cake?
Last year, the company eliminated hundreds of jobs and asked some of the remaining staff to take on the responsibilities of those who were let go.