Why is char usually pronounced “tchar”, not “kar”?

Why is “character” pronounced “ka-rak-ter”, but nobody ever accused English pronunciation (not “pronounciation”) and spelling of being illogical.

What are some of the best advices for my patient about stroustrup-for_employment.http://www.stroustrup.com/bs_faq2.html? What are the best in general? html#char::htm#char::htm#char::htm://htm_char:htm_char::>htm#char::htm#char:::Htm

htm>char::htm#char:htm#char:htm#char::htm#char::htm#char::-htm?ht_htm#char: