Wonders
No, "wonderes" is not a correct plural form of "wonder." The plural of "wonder" is simply "wonders." The term "wonderes" may be a misspelling or confusion with another word.
The word wonder is a verb. The past tense is wondered. Wonder can also be a noun.
Wonder. Wonder is the singular form of the word wonder. "Wonders" is the plural form. It's an interesting word, though, it can be a noun or a verb and the verb can mean several things, sometimes all at once. For an example of this, see the repeating line from Led Zeppelin's "Stairway to Heaven," once the most popular song in the world: "And it makes me wonder."
Yes, it is. There are seven Wonders of the Ancient World. Each of the Wonders is amazing in it's own right.
The word crises is a plural word; it is the plural form of the word crisis.
wonder
There is no plural word for if.
The base word of 'wonder' is 'wond'.
The plural form for the demonstrative pronoun this is these.
A non-plural word, a word (noun or pronoun) that is not plural is singular, a word for just one.
The plural word of delay is delays.
the plural word is comedones