Is realer grammatically correct?

Something is either “real” or “not real”. It is impossible to be “more real” or “less real”. That is probably why there is no word “realer” or “realest”. There is only “real” and “unreal”.

Is realer a Scrabble word?

Yes, realer is in the scrabble dictionary.

Is there a word called realer?

Comparative form of real: more real.

What is the meaning of Realers?

a. Being or occurring in fact or actuality; having verifiable existence: real objects; a real illness.