There are variations in the spelling of the surname "Henthorne" (pronounced /hɛnθɔrn/). Some variations include "Henthorn" or "Henthornee". The "th" sound in the first syllable is spelled with the two letters "th" instead of a single "t" or "d" because it is a fricative sound. The "e" at the end of the name is silent, and does not affect the pronunciation. Overall, the pronunciation and spelling of "Henthorne" may vary based on regional or individual differences, but the core sounds remain the same.