On Tue, 25 Jun 2019 at 16:25, mayqel qunen'oS <mihkoun@gmail.com> wrote:
1st question:
Can I use {rIp} and {yej} in this way ? (i.e. on their own; not being
a part of a composite noun)

What makes you think you can't?
 
2nd question:
Do both of the above sentences mean the same ?

Unknown. 

--
De'vID