The phrase "a sort of end" is correct and usable in written English.
It can be used to describe something that is not a definitive conclusion but rather a vague or partial ending.
Example: "After years of hard work, the project reached a sort of end, leaving many questions unanswered."
Alternatives: "a kind of conclusion" or "a type of closure".
In hindsight, Kate sees the restorative-justice process as a sort of end in itself.
Nigel Farage, a sort of end of level boss for Freudian psychoanalysis, has a face that only a mother could abandon to the boarding school system.
British campaigns are not yet as elongated as American ones; but politics is nevertheless heading into a sort of end game, with ideological battle lines drawn and a vote due within 18 months and perhaps coming much sooner.
With Freeh set to leave his post in early summer, it is easy to imagine that indictments in the Khobar barracks case would mark a sort of end to his battles with the Clinton Administration as well as a vindication of his doggedness.
The only disappointment is that the album, like their last, is toploaded with the two best tracks, the stunning Queen Black Acid (a sort of end of relationship via Alice In Wonderland tale) and Taos, which makes what follows seem mildly disappointing.
David Amidon writing for PopMatters wrote a mixed review, calling "Castle Walls" "heartfelt but it also feels like a hip-hop version of late-period Phil Collins, a sort of end so inoffensive and far removed from the life force of hip-hop as to appear a sick joke".
Creator Justin Smith said that, theoretically, Desert Golfing can generate a sort-of end – an impossible stage – eventually.
"Conceived by the French statesman Edouard Rene de Laboulaye, the statue was to propound the values of the French Revolution, in a sort of end-run around the repressive Second Empire of Napoleon III," Professor Schor said.
"Conceived by the French statesman Édouard René de Laboulaye, the statue was to propound the values of the French Revolution, in a sort of end-run around the repressive Second Empire of Napoleon III," Professor Schor said.
"We are collecting them to pay for a sort of end-of-year Christmas party for everyone at work," says Eivind as the machine starts to tot up the deposits automatically.
He does not try to round it out and create a sort of ending or fade-out.
