It's not.
It is only spelled with a capital Y if at the beginning of a sentence eg.
You should be more careful.
MI6 (the British Military Intelligence) agency is always spelled with capitals.
Both "spelt" and "spelled" are correct spellings, but "spelled" is more commonly used in American English, while "spelt" is more common in British English.
In the majority of English circles, it is spelled: Shakespeare.
Football is how it is spelled in British English.
YouTube is spelled the same in French.The website is spelled the same way as in English.
In British English, "center" is spelled as "centre". "Data" is spelled the same.
So why is it spelled with an e? It is because it spells the way it is!
it is pronounced the same as in English and it's spelled ??? ????
Some words are spelled differently. For example, color is spelled as colour in British English. Customize is spelled as customise. Measurements are in metres and kilometres in British English instead of feet and miles.
The keyword "nowhere" is spelled out in the English language.
In English it is spelled Ruby.
There is no word in English spelled 'poub'.