Languages other than english also have the sound "K" 

Notice how the "K" sound is written differently in other languages as seen in their scripts below.  To enlarge the view of a particular script and look at the shape of the "K" sound in another language and at what is the accent and dialect of the "K" sound, click once on the image -

Japanese (Katakana)

Yiddish

Abaza

Hindi (consonants), similar to Sanskrit

 Sanskrit (consonants)

Scripts are from http://www.omniglot.com/writing/index.htm