Tathā synonymous with Tathātā?

From wiki: "Tathā means "thus" in Sanskrit and Pali, and Buddhist thought takes this to refer to what is called "reality as-it-is" (yathābhūta). This reality is also referred to as "thusness" or "suchness" (tathātā)" So, are the two words synonymous? For example, could one say "tathātāgata" and would it mean the same as "tathāgata"? And, taking -gata to mean "being", is it like the following? tathāgata = thus being / real being tathātāgata = thusness being / reality being Also, if some kind soul could upload a pronunciation in sanskrit of the two words online, e.g to vocaroo, I'd be impermenantly grateful.