The spelling may be papa, paw paw, or paw-paw (grandfather). Papa is less frequent because it can also mean father. Note that this is used regardless of whether it is a paternal or maternal grandfather. Grandmother is maw maw.
The spelling pawpaw is also used for a type of tree and fruit (Asimina triloba).
They are both correct. Papa tends to be more common, but they can be used interchangeably.
It should be capitalized when it is used in place of the person's name.
In other words, it shouldn't be capitalized when it is preceded by a possessive pronoun.
The word evolution does not need to be capitalized.
No, coral does not need to be capitalized.
El papa means Potato if there is no accent on the second 'a'. If it is capitalized, it refers to the Pope. It can also be an expression: Es la papa. Then it would mean: It's the best.
No it does not need to be.
The word citizen does not need to be capitalized.
The word evolution does not need to be capitalized.
No, coral does not need to be capitalized.
The word "Godspeed" is usually capitalized, just as the word "God" is usually capitalized.
No, the word "region" does not need to be capitalized in a sentence unless it is the first word of the sentence or part of a proper noun (e.g. "Pacific Northwest region").
No, the word "revivalist" does not need to be capitalized unless it is at the beginning of a sentence or part of a proper noun.
El papa means Potato if there is no accent on the second 'a'. If it is capitalized, it refers to the Pope. It can also be an expression: Es la papa. Then it would mean: It's the best.
No it does not need to be.
no
The word citizen does not need to be capitalized.
No.
Yes, the word "astronaut" should be capitalized as it is a proper noun referring to a specific job title or profession.
The word bumble bee is a noun and does not need to be capitalized. The word can often be found spelled as one word: bumblebee.