Yesterday
About 40% of the words in English have a Spanish cognate. This means that the English word has a similar Spanish word, such as "accident" (English) and "accidente" (Spanish).
Mirador is the spanish word for "lookout"
supertriste is not a spanish word, but it looks like a combination of the english word super and the spanish word for "sad", so it might mean "supersad"
Ene is the Spanish word for the Spanish letter N.
There's no such Spanish word as "beta"
I cannot find a Spanish word "ontem". "Onda" means "wave".
Ayer is a spanish word. It means Yesterday in English. Or if used loosely it could just mean like sometime in the recent past. like 'the other day' but it literally translates to 'yesterday'.
Yesterday
Ayer e.g. We went to the cinema yesterday. Fuimos al cine ayer.
aner is not a Spanish word. 'ayer' means 'yesterday'
Ayer = yesterday in Spanish.
That isn't Spanish. If you mean "ayer", that means "yesterday".
It means "Yesterday was Sunday". Remember, the days of the week are NOT capitalized in Spanish.
Geographically, if you mean the "Ayer's Rock", it is in Australia. In terms of time, "ayer" is "yesterday" in Spanish.
Ayer fue martes*. (*in spanish, days and months are not capitalized)
yesterday
dear friend "ayer" means "yesterday" or "past"