There is no such filesystem as n2fs, so I can only guess that you mean either ntfs or f2fs. ntfs is the proprietary Microsoft filesystem used by Microsoft Windows, while f2fs is a log-structured filesystem created by Samsung for flash-based storage (such as SSDs).
GNU/Linux cannot be installed on ntfs because it is a UNIX operating system, which requires filesystems that support POSIX file ownership and permissions, which ntfs does not support and cannot store.
f2fs on the other hand is a POSIX filesystem, but the GRUB boot loader will probably need special support for that — I do not think the standard GRUB used by Manjaro supports f2fs — and as such, you might be better off using something like systemd-boot if you’re going to dabble with f2fs.
Further reading, albeit only tangentially relevant…
