Without knowing your intended use of the word, it is safe to say that "purpose" can normally be pluralized to "purposes".
yes it is a real word. It is also correct grammatically and more stupid is not correct.
Yes, it is.
No, selled is not grammatically correct in English.The correct past tense of 'sell' is sold.
yes it is, if you type this way, "in-chargeship"
No it doesn't require to be capitalized.
Both are grammatically correct, but the normal word-order is "you are correct." The inverted word-order of "correct you are" is used for an emphatic, ironic or humorous effect.
No, "Is they're pronounced" is not grammatically correct. It should be "Are they pronounced" to match the subject-verb agreement.
No it isn't a grammatically correct word.
no
The correct spelling of the word "grammatically" is G-R-A-M-M-A-T-I-C-A-L-L-Y.
Yes, it is grammatically correct to end a sentence with the word "so." However, it may be informal or conversational in style.
yes it is a real word. It is also correct grammatically and more stupid is not correct.
Yes, it is.
The word "they're is pronounced grammatically correct. It is the shortened version of the words "they are".
Neither really. 'In' would be the word to use.
No, selled is not grammatically correct in English.The correct past tense of 'sell' is sold.
No, the word morphs into "borne".