What is the rule for digraph CH?

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Kympathy

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A student of mine asked me for the rule regarding the pronounciation of the digraph ch.

I have an MA in English, but I cannot for the life of me find an actual rule as to when the pronounciation of the digraph /ch/ should be ch (like which or cheese) or sh (like chef) or qu (like choir) or k (like chameleon).

Can anyone please tell me is there is a standard rule and exceptions, so I can answer this question for my student? Thanks!
 

Rover_KE

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It doesn't look like there is a rule, Kympathy.

I certainly don't know of one.

Rover
 

Raymott

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A student of mine asked me for the rule regarding the pronounciation of the digraph ch.

I have an MA in English, but I cannot for the life of me find an actual rule as to when the pronounciation of the digraph /ch/ should be ch (like which or cheese) or sh (like chef) or qu (like choir) or k (like chameleon).

Can anyone please tell me is there is a standard rule and exceptions, so I can answer this question for my student? Thanks!
It's particularly troublesome given that some such words have alternative pronunciations:
chi·rop·o·dy
http://dictionary.reference.com/browse/chiropody
 

Alex Case

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It's not a rule, but it generally depends on what language the word originally comes from, e.g. music words usually come from Italian and so take the Italian /k/ sound. Chef is about cuisine and so is obviously French, so takes the French pronunciation.
 

BobK

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A student of mine asked me for the rule regarding the pronounciation of the digraph ch.

I have an MA in English, but I cannot for the life of me find an actual rule as to when the pronounciation of the digraph /ch/ should be ch (like which or cheese) or sh (like chef) or qu (like choir) or k (like chameleon).

Can anyone please tell me is there is a standard rule and exceptions, so I can answer this question for my student? Thanks!


Maybe you should try to wean him off the habit of asking 'what is the rule?' (a question that implies there is one). As others have said, it's a question partly of etymology and partly of allowable variation; but even etymology (coming from one language) isn't totally reliable - what matters is where a word was borrowed from, when, and in what circumstances.

Don't tell this student about 'loch' ;-)

b
 
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