That... looks like the pics of heartleaf philo I got from searching if up. Not a monstera. It would have had fenestrations in the leaves by now with so many leaves if it was a monstera.
This has been a huge debate on what I’ve pretty much determined now with full confidence is a heartleaf philodendron. I got two plants at the same time- both believed to be monstera deliciosas and once they both matured, I realized one was a philodendron. Pretty sure yours is a philodendron, too.
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