There are quite a lot of words where the sequence <ch> is pronounced k. Some of these are pretty obscure/technical. I have left some of these out of the lists below.
Initial:
chameleon chaos chaotic character charisma chasm chemical chemist(ry) chimaera chlorine chloroform choir choral choreograph(er/y) chorus Christ christian Christmas chrome chromatic chromosome chronic chronicle chronometer chrysalis Chrysler
Medial:
ache anarchy archaeolog(ical/ist/y) archaic archangel archival archive archivist bronchial bronchitis cochlea dachshund dichotomy echidna echo lichen mechanic(al) mechanism Michael mocha monochrome ochre orchestra pachyderm psyche strychnine technical technician technique technology Zachary
Final:
Bach diptych Enoch epoch loch monarch oligarch stomach triptych
2013_09_22
Updated 2014_07_17