A velar consonant, like the first sound in "good" or "king", applies the tongue to the soft this
[DOC] [TLE] Consonant mutation - Wikipedia [PAR] Consonant mutation is change in a consonant in a word according to its 
morphological or ... Sandhi effects like these (or other phonological processes) 
are usually the ... of mutations are the alternation between velar and postalveolar 
consonants: ....