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Derivation of the term

The spelling of haemorrhoid varies, the main alternatives are;

Haemorrhoid(ectomy) - British spelling
Hemorrhoid(ectomy) - American spelling
Common mis-spellings; Haemorroid(ectomy), Hemorroid(ectomy)

There main variability is in the use of hem- and haem- which correspond to the American and British spellings for hemoglobin [American] and haemoglobin [British]. It is not uncommon to see haemorrhoid spelt without the second `h'.

Adrian P. Ireland